Radeon HD 7770M vs ATI HD 4770

Place in the ranking	841	725
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.29	no data
Power efficiency	2.04	7.41
Architecture	TeraScale (2005−2013)	GCN 1.0 (2011−2020)
GPU code name	RV740	Chelsea
Market segment	Desktop	Laptop
Release date	28 April 2009 (15 years ago)	24 April 2012 (12 years ago)
Launch price (MSRP)	$109	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	640	512
Core clock speed	750 MHz	675 MHz
Number of transistors	826 million	1,500 million
Manufacturing process technology	40 nm	28 nm
Power consumption (TDP)	80 Watt	32 Watt
Texture fill rate	24.00	21.60
Floating-point processing power	0.96 TFLOPS	0.6912 TFLOPS
ROPs	16	16
TMUs	32	32

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).

Laptop size	no data	medium sized
Interface	PCIe 2.0 x16	PCIe 2.0 x16
Length	203 mm	no data
Width	2-slot	no data
Supplementary power connectors	1x 6-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	GDDR5
Maximum RAM amount	512 MB	1 GB
Memory bus width	128 Bit	128 Bit
Memory clock speed	800 MHz	1000 MHz
Memory bandwidth	51.2 GB/s	64 GB/s
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

2x DVI, 1x S-Video

No outputs

API compatibility

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

DirectX	10.1 (10_1)	12 (11_1)
Shader Model	4.1	5.1
OpenGL	3.3	4.6
OpenCL	1.1	1.2
Vulkan	N/A	1.2.131

Gaming performance

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

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077

6−7

+0%

6−7

+0%

Full HD
Medium Preset

Assassin's Creed Odyssey	10−11 +0%	10−11 +0%
Assassin's Creed Valhalla	2−3 +0%	2−3 +0%
Battlefield 5	7−8 +0%	7−8 +0%
Call of Duty: Modern Warfare	8−9 +0%	8−9 +0%
Cyberpunk 2077	6−7 +0%	6−7 +0%
Far Cry 5	7−8 +0%	7−8 +0%
Far Cry New Dawn	10−11 +0%	10−11 +0%
Forza Horizon 4	20−22 +0%	20−22 +0%
Hitman 3	9−10 +0%	9−10 +0%
Horizon Zero Dawn	24−27 +0%	24−27 +0%
Metro Exodus	6−7 +0%	6−7 +0%
Red Dead Redemption 2	9−10 +0%	9−10 +0%
Shadow of the Tomb Raider	14−16 +0%	14−16 +0%
Watch Dogs: Legion	40−45 +0%	40−45 +0%

Full HD
High Preset

Assassin's Creed Odyssey	10−11 +0%	10−11 +0%
Assassin's Creed Valhalla	2−3 +0%	2−3 +0%
Battlefield 5	7−8 +0%	7−8 +0%
Call of Duty: Modern Warfare	8−9 +0%	8−9 +0%
Cyberpunk 2077	6−7 +0%	6−7 +0%
Far Cry 5	7−8 +0%	7−8 +0%
Far Cry New Dawn	10−11 +0%	10−11 +0%
Forza Horizon 4	20−22 +0%	20−22 +0%
Hitman 3	9−10 +0%	9−10 +0%
Horizon Zero Dawn	24−27 +0%	24−27 +0%
Metro Exodus	6−7 +0%	6−7 +0%
Red Dead Redemption 2	9−10 +0%	9−10 +0%
Shadow of the Tomb Raider	14−16 +0%	14−16 +0%
The Witcher 3: Wild Hunt	14−16 +0%	14−16 +0%
Watch Dogs: Legion	40−45 +0%	40−45 +0%

Full HD
Ultra Preset

Assassin's Creed Odyssey	10−11 +0%	10−11 +0%
Assassin's Creed Valhalla	2−3 +0%	2−3 +0%
Call of Duty: Modern Warfare	8−9 +0%	8−9 +0%
Cyberpunk 2077	6−7 +0%	6−7 +0%
Far Cry 5	7−8 +0%	7−8 +0%
Forza Horizon 4	20−22 +0%	20−22 +0%
Hitman 3	9−10 +0%	9−10 +0%
Horizon Zero Dawn	24−27 +0%	24−27 +0%
Shadow of the Tomb Raider	14−16 +0%	14−16 +0%
The Witcher 3: Wild Hunt	14−16 +0%	14−16 +0%
Watch Dogs: Legion	40−45 +0%	40−45 +0%

Full HD
Epic Preset

Red Dead Redemption 2

9−10

+0%

9−10

+0%

1440p
High Preset

Battlefield 5	6−7 +0%	6−7 +0%
Far Cry New Dawn	5−6 +0%	5−6 +0%

1440p
Ultra Preset

Assassin's Creed Odyssey	3−4 +0%	3−4 +0%
Call of Duty: Modern Warfare	3−4 +0%	3−4 +0%
Cyberpunk 2077	2−3 +0%	2−3 +0%
Far Cry 5	4−5 +0%	4−5 +0%
Forza Horizon 4	1−2 +0%	1−2 +0%
Hitman 3	8−9 +0%	8−9 +0%
Horizon Zero Dawn	8−9 +0%	8−9 +0%
The Witcher 3: Wild Hunt	3−4 +0%	3−4 +0%
Watch Dogs: Legion	21−24 +0%	21−24 +0%

1440p
Epic Preset

Red Dead Redemption 2

7−8

+0%

7−8

+0%

4K
High Preset

Battlefield 5	2−3 +0%	2−3 +0%
Far Cry New Dawn	2−3 +0%	2−3 +0%

4K
Ultra Preset

Assassin's Creed Odyssey	2−3 +0%	2−3 +0%
Assassin's Creed Valhalla	1−2 +0%	1−2 +0%
Call of Duty: Modern Warfare	1−2 +0%	1−2 +0%
Cyberpunk 2077	0−1	0−1
Far Cry 5	2−3 +0%	2−3 +0%
Forza Horizon 4	1−2 +0%	1−2 +0%
Watch Dogs: Legion	1−2 +0%	1−2 +0%

4K
Epic Preset

Red Dead Redemption 2

4−5

+0%

4−5

+0%

All in all, in popular games:

there's a draw in 63 tests (100%)

Pros & cons summary

Performance score	2.36	3.43
Recency	28 April 2009	24 April 2012
Maximum RAM amount	512 MB	1 GB
Chip lithography	40 nm	28 nm
Power consumption (TDP)	80 Watt	32 Watt

HD 7770M has a 45.3% higher aggregate performance score, an age advantage of 2 years, a 100% higher maximum VRAM amount, a 42.9% more advanced lithography process, and 150% lower power consumption.

The Radeon HD 7770M is our recommended choice as it beats the Radeon HD 4770 in performance tests.

Be aware that Radeon HD 4770 is a desktop card while Radeon HD 7770M is a notebook one.

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