ATI Mobility Radeon HD 4850 vs GeForce GT 640

Place in the ranking	765	944
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.20	no data
Power efficiency	3.26	no data
Architecture	Kepler (2012−2018)	TeraScale (2005−2013)
GPU code name	GK107	M98
Market segment	Desktop	Laptop
Release date	5 June 2012 (12 years ago)	9 January 2009 (15 years ago)
Launch price (MSRP)	$99	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	384	800
Core clock speed	902 MHz	500 MHz
Number of transistors	1,270 million	956 million
Manufacturing process technology	28 nm	55 nm
Power consumption (TDP)	65 Watt	no data
Texture fill rate	28.86	20.00
Floating-point processing power	0.6927 TFLOPS	0.8 TFLOPS
ROPs	16	16
TMUs	32	40

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	large
Interface	PCIe 3.0 x16	PCIe 2.0 x16
Length	145 mm	no data
Width	1-slot	no data
Supplementary power connectors	None	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	DDR3	GDDR3
Maximum RAM amount	2 GB	1 GB
Memory bus width	128 Bit	256 Bit
Memory clock speed	891 MHz	850 MHz
Memory bandwidth	28.51 GB/s	54.4 GB/s
Shared memory	no data	-

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, 1x HDMI, 1x DisplayPort	No outputs
HDMI	+	-

API compatibility

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

DirectX	12 (11_0)	10.1 (10_1)
Shader Model	5.1	4.1
OpenGL	4.6	3.3
OpenCL	1.2	1.1
Vulkan	1.1.126	N/A
CUDA	3.0	-

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

70−75
+79.5%

−79.5%

Cost per frame, $

1080p

1.41

no data

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077

4−5

+0%

4−5

+0%

Full HD
Medium Preset

Assassin's Creed Odyssey	6−7 +0%	6−7 +0%
Call of Duty: Modern Warfare	5−6 +0%	5−6 +0%
Cyberpunk 2077	4−5 +0%	4−5 +0%
Far Cry 5	2−3 +0%	2−3 +0%
Far Cry New Dawn	4−5 +0%	4−5 +0%
Forza Horizon 4	5−6 +0%	5−6 +0%
Hitman 3	6−7 +0%	6−7 +0%
Horizon Zero Dawn	16−18 +0%	16−18 +0%
Red Dead Redemption 2	3−4 +0%	3−4 +0%
Shadow of the Tomb Raider	9−10 +0%	9−10 +0%
Watch Dogs: Legion	30−35 +0%	30−35 +0%

Full HD
High Preset

Assassin's Creed Odyssey	6−7 +0%	6−7 +0%
Call of Duty: Modern Warfare	5−6 +0%	5−6 +0%
Cyberpunk 2077	4−5 +0%	4−5 +0%
Far Cry 5	2−3 +0%	2−3 +0%
Far Cry New Dawn	4−5 +0%	4−5 +0%
Forza Horizon 4	5−6 +0%	5−6 +0%
Hitman 3	6−7 +0%	6−7 +0%
Horizon Zero Dawn	16−18 +0%	16−18 +0%
Red Dead Redemption 2	3−4 +0%	3−4 +0%
Shadow of the Tomb Raider	9−10 +0%	9−10 +0%
The Witcher 3: Wild Hunt	12−14 +0%	12−14 +0%
Watch Dogs: Legion	30−35 +0%	30−35 +0%

Full HD
Ultra Preset

Assassin's Creed Odyssey	6−7 +0%	6−7 +0%
Call of Duty: Modern Warfare	5−6 +0%	5−6 +0%
Cyberpunk 2077	4−5 +0%	4−5 +0%
Far Cry 5	2−3 +0%	2−3 +0%
Forza Horizon 4	5−6 +0%	5−6 +0%
Hitman 3	6−7 +0%	6−7 +0%
Horizon Zero Dawn	16−18 +0%	16−18 +0%
Shadow of the Tomb Raider	9−10 +0%	9−10 +0%
The Witcher 3: Wild Hunt	12−14 +0%	12−14 +0%
Watch Dogs: Legion	30−35 +0%	30−35 +0%

Full HD
Epic Preset

Red Dead Redemption 2

3−4

+0%

3−4

+0%

1440p
High Preset

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

1440p
Ultra Preset

Assassin's Creed Odyssey	1−2 +0%	1−2 +0%
Call of Duty: Modern Warfare	1−2 +0%	1−2 +0%
Cyberpunk 2077	1−2 +0%	1−2 +0%
Far Cry 5	2−3 +0%	2−3 +0%
Hitman 3	7−8 +0%	7−8 +0%
Horizon Zero Dawn	5−6 +0%	5−6 +0%
The Witcher 3: Wild Hunt	1−2 +0%	1−2 +0%
Watch Dogs: Legion	8−9 +0%	8−9 +0%

1440p
Epic Preset

Red Dead Redemption 2

4−5

+0%

4−5

+0%

4K
High Preset

Far Cry New Dawn

1−2

+0%

1−2

+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	0−1	0−1
Far Cry 5	1−2 +0%	1−2 +0%
Watch Dogs: Legion	0−1	0−1

4K
Epic Preset

Red Dead Redemption 2

3−4

+0%

3−4

+0%

This is how GT 640 and ATI Mobility HD 4850 compete in popular games:

GT 640 is 79% faster in 1080p

All in all, in popular games:

there's a draw in 51 test (100%)

Pros & cons summary

Performance score	3.05	1.65
Recency	5 June 2012	9 January 2009
Maximum RAM amount	2 GB	1 GB
Chip lithography	28 nm	55 nm

GT 640 has a 84.8% higher aggregate performance score, an age advantage of 3 years, a 100% higher maximum VRAM amount, and a 96.4% more advanced lithography process.

The GeForce GT 640 is our recommended choice as it beats the Mobility Radeon HD 4850 in performance tests.

Be aware that GeForce GT 640 is a desktop card while Mobility Radeon HD 4850 is a notebook one.

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