Radeon RX Vega 8 (Ryzen 4000/5000) vs HD 7990

Place in the ranking	360	479
Place by popularity	not in top-100	29
Cost-effectiveness evaluation	1.47	no data
Power efficiency	2.67	41.89
Architecture	GCN 1.0 (2011−2020)	Vega (2017−2020)
GPU code name	Malta	Vega
Market segment	Desktop	Laptop
Release date	24 April 2013 (11 years ago)	7 January 2020 (4 years ago)
Launch price (MSRP)	$999	no data

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

no data

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores	2048	512
Core clock speed	950 MHz	no data
Boost clock speed	1000 MHz	2100 MHz
Number of transistors	4,313 million	no data
Manufacturing process technology	28 nm	7 nm
Power consumption (TDP)	375 Watt	15 Watt
Texture fill rate	128.0	no data
Floating-point processing power	4.096 TFLOPS	no data
ROPs	32	no data
TMUs	128	no data

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

Interface	PCIe 3.0 x16	no data
Length	307 mm	no data
Width	2-slot	no data
Supplementary power connectors	2x 8-pin	no data

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory type	GDDR5	no data
Maximum RAM amount	3 GB	no data
Memory bus width	384 Bit	no data
Memory clock speed	1500 MHz	no data
Memory bandwidth	288.0 GB/s	no data
Shared memory	-	-

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display Connectors

1x DVI, 4x mini-DisplayPort

no data

API compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX	12 (11_1)	12_1
Shader Model	5.1	no data
OpenGL	4.6	no data
OpenCL	1.2	no data
Vulkan	1.2.131	-

Synthetic benchmark performance

Non-gaming benchmark results comparison. The combined score is measured on a 0-100 point scale.

Combined synthetic benchmark score

This is our combined benchmark score. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

HD 7990 14.42
+59.5%

RX Vega 8 (Ryzen 4000/5000) 9.04

3DMark Fire Strike Graphics

Fire Strike is a DirectX 11 benchmark for gaming PCs. It features two separate tests displaying a fight between a humanoid and a fiery creature made of lava. Using 1920x1080 resolution, Fire Strike shows off some realistic graphics and is quite taxing on hardware.

HD 7990 15540
+315%

RX Vega 8 (Ryzen 4000/5000) 3743

Gaming performance

Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.

Average FPS across all PC games

Here are the average frames per second in a large set of popular games across different resolutions:

Full HD	35−40 +59.1%	22 −59.1%
1440p	24−27 +50%	16 −50%
4K	14−16 +40%	10 −40%

Cost per frame, $

1080p	28.54	no data
1440p	41.63	no data
4K	71.36	no data

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077

+0%

Full HD
Medium Preset

Assassin's Creed Odyssey	21−24 +0%	21−24 +0%
Assassin's Creed Valhalla	20 +0%	20 +0%
Battlefield 5	27−30 +0%	27−30 +0%
Call of Duty: Modern Warfare	18−20 +0%	18−20 +0%
Cyberpunk 2077	14 +0%	14 +0%
Far Cry 5	21−24 +0%	21−24 +0%
Far Cry New Dawn	24−27 +0%	24−27 +0%
Forza Horizon 4	60−65 +0%	60−65 +0%
Hitman 3	15 +0%	15 +0%
Horizon Zero Dawn	50−55 +0%	50−55 +0%
Metro Exodus	35 +0%	35 +0%
Red Dead Redemption 2	33 +0%	33 +0%
Shadow of the Tomb Raider	36 +0%	36 +0%
Watch Dogs: Legion	60−65 +0%	60−65 +0%

Full HD
High Preset

Assassin's Creed Odyssey	21−24 +0%	21−24 +0%
Assassin's Creed Valhalla	16 +0%	16 +0%
Battlefield 5	27−30 +0%	27−30 +0%
Call of Duty: Modern Warfare	18−20 +0%	18−20 +0%
Cyberpunk 2077	10 +0%	10 +0%
Far Cry 5	21−24 +0%	21−24 +0%
Far Cry New Dawn	24−27 +0%	24−27 +0%
Forza Horizon 4	60−65 +0%	60−65 +0%
Hitman 3	15 +0%	15 +0%
Horizon Zero Dawn	50−55 +0%	50−55 +0%
Metro Exodus	25 +0%	25 +0%
Red Dead Redemption 2	24−27 +0%	24−27 +0%
Shadow of the Tomb Raider	27 +0%	27 +0%
The Witcher 3: Wild Hunt	24−27 +0%	24−27 +0%
Watch Dogs: Legion	60−65 +0%	60−65 +0%

Full HD
Ultra Preset

Assassin's Creed Odyssey	21−24 +0%	21−24 +0%
Assassin's Creed Valhalla	14 +0%	14 +0%
Call of Duty: Modern Warfare	18−20 +0%	18−20 +0%
Cyberpunk 2077	9 +0%	9 +0%
Far Cry 5	21−24 +0%	21−24 +0%
Forza Horizon 4	60−65 +0%	60−65 +0%
Hitman 3	14 +0%	14 +0%
Horizon Zero Dawn	24 +0%	24 +0%
Shadow of the Tomb Raider	23 +0%	23 +0%
The Witcher 3: Wild Hunt	14 +0%	14 +0%
Watch Dogs: Legion	12 +0%	12 +0%

Full HD
Epic Preset

Red Dead Redemption 2

+0%

1440p
High Preset

Battlefield 5	18−20 +0%	18−20 +0%
Far Cry New Dawn	14−16 +0%	14−16 +0%

1440p
Ultra Preset

Assassin's Creed Odyssey	9−10 +0%	9−10 +0%
Assassin's Creed Valhalla	11 +0%	11 +0%
Call of Duty: Modern Warfare	9−10 +0%	9−10 +0%
Cyberpunk 2077	5 +0%	5 +0%
Far Cry 5	10−11 +0%	10−11 +0%
Forza Horizon 4	35−40 +0%	35−40 +0%
Hitman 3	10 +0%	10 +0%
Horizon Zero Dawn	20 +0%	20 +0%
Metro Exodus	17 +0%	17 +0%
Shadow of the Tomb Raider	16 +0%	16 +0%
The Witcher 3: Wild Hunt	8−9 +0%	8−9 +0%
Watch Dogs: Legion	59 +0%	59 +0%

1440p
Epic Preset

Red Dead Redemption 2

+0%

4K
High Preset

Battlefield 5	8−9 +0%	8−9 +0%
Far Cry New Dawn	6−7 +0%	6−7 +0%
Hitman 3	5−6 +0%	5−6 +0%
Horizon Zero Dawn	35−40 +0%	35−40 +0%
Metro Exodus	7−8 +0%	7−8 +0%
The Witcher 3: Wild Hunt	6−7 +0%	6−7 +0%

4K
Ultra Preset

Assassin's Creed Odyssey	5−6 +0%	5−6 +0%
Assassin's Creed Valhalla	4−5 +0%	4−5 +0%
Call of Duty: Modern Warfare	4−5 +0%	4−5 +0%
Cyberpunk 2077	1−2 +0%	1−2 +0%
Far Cry 5	5−6 +0%	5−6 +0%
Forza Horizon 4	10−12 +0%	10−12 +0%
Shadow of the Tomb Raider	9 +0%	9 +0%
Watch Dogs: Legion	3−4 +0%	3−4 +0%

4K
Epic Preset

Red Dead Redemption 2

9−10

+0%

9−10

+0%

This is how HD 7990 and RX Vega 8 (Ryzen 4000/5000) compete in popular games:

HD 7990 is 59% faster in 1080p
HD 7990 is 50% faster in 1440p
HD 7990 is 40% faster in 4K

All in all, in popular games:

there's a draw in 72 tests (100%)

Pros & cons summary

Performance score	14.42	9.04
Recency	24 April 2013	7 January 2020
Chip lithography	28 nm	7 nm
Power consumption (TDP)	375 Watt	15 Watt

HD 7990 has a 59.5% higher aggregate performance score.

RX Vega 8 (Ryzen 4000/5000), on the other hand, has an age advantage of 6 years, a 300% more advanced lithography process, and 2400% lower power consumption.

The Radeon HD 7990 is our recommended choice as it beats the Radeon RX Vega 8 (Ryzen 4000/5000) in performance tests.

Be aware that Radeon HD 7990 is a desktop card while Radeon RX Vega 8 (Ryzen 4000/5000) is a notebook one.

Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.