GeForce GT 640M vs 9800 GX2

Place in the ranking	873	839
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.04	no data
Power efficiency	0.73	5.16
Architecture	Tesla (2006−2010)	Kepler (2012−2018)
GPU code name	G92	GK107
Market segment	Desktop	Laptop
Release date	18 March 2008 (16 years ago)	22 March 2012 (12 years ago)
Launch price (MSRP)	$599	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	256 (128 per GPU)	384
Core clock speed	600 MHz	Up to 625 MHz
Boost clock speed	no data	645 MHz
Number of transistors	754 million	1,270 million
Manufacturing process technology	65 nm	28 nm
Power consumption (TDP)	197 Watt	32 Watt
Maximum GPU temperature	105 °C	no data
Texture fill rate	38.40	20.00
Floating-point processing power	0.384 TFLOPS	0.48 TFLOPS
ROPs	16	16
TMUs	64	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
Bus support	no data	PCI Express 2.0, PCI Express 3.0
Interface	PCIe 2.0 x16	PCIe 3.0 x16
Length	267 mm	no data
Height	2-slot	no data
Width	2-slot	no data
Supplementary power connectors	1x 6-pin + 1x 8-pin	no data
SLI options	+	-

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	GDDR3	DDR3\GDDR5
Maximum RAM amount	512 MB	2 GB
Memory bus width	512 Bit	128bit
Memory clock speed	1000 MHz	900 MHz
Memory bandwidth	128 (64 per GPU)	Up to 64.0 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	HDMIDual Link DVI	No outputs
Multi monitor support	+	no data
HDMI	+	+
HDCP	-	+
Maximum VGA resolution	2048x1536	Up to 2048x1536
Audio input for HDMI	S/PDIF	no data

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

3D Blu-Ray	-	+
Optimus	-	+

API compatibility

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

DirectX	11.1 (10_0)	12 API
Shader Model	4.0	5.1
OpenGL	2.1	4.5
OpenCL	1.1	1.1
Vulkan	N/A	1.1.126
CUDA	+	+

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.

9800 GX2 2.07

GT 640M 2.39
+15.5%

Passmark

This is the most ubiquitous GPU benchmark. It gives the graphics card a thorough evaluation under various types of load, providing four separate benchmarks for Direct3D versions 9, 10, 11 and 12 (the last being done in 4K resolution if possible), and few more tests engaging DirectCompute capabilities.

9800 GX2 797

GT 640M 923
+15.8%

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:

900p	21−24 −23.8%	26 +23.8%
Full HD	18−20 −22.2%	22 +22.2%
1200p	16−18 −18.8%	19 +18.8%

Cost per frame, $

1080p

33.28

no data

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077

5−6

+0%

5−6

+0%

Full HD
Medium Preset

Assassin's Creed Odyssey	8−9 +0%	8−9 +0%
Battlefield 5	3−4 +0%	3−4 +0%
Call of Duty: Modern Warfare	6−7 +0%	6−7 +0%
Cyberpunk 2077	5−6 +0%	5−6 +0%
Far Cry 5	4−5 +0%	4−5 +0%
Far Cry New Dawn	6−7 +0%	6−7 +0%
Forza Horizon 4	10−12 +0%	10−12 +0%
Hitman 3	7−8 +0%	7−8 +0%
Horizon Zero Dawn	20−22 +0%	20−22 +0%
Metro Exodus	1−2 +0%	1−2 +0%
Red Dead Redemption 2	5−6 +0%	5−6 +0%
Shadow of the Tomb Raider	10−12 +0%	10−12 +0%
Watch Dogs: Legion	35−40 +0%	35−40 +0%

Full HD
High Preset

Assassin's Creed Odyssey	8−9 +0%	8−9 +0%
Battlefield 5	3−4 +0%	3−4 +0%
Call of Duty: Modern Warfare	6−7 +0%	6−7 +0%
Cyberpunk 2077	5−6 +0%	5−6 +0%
Far Cry 5	4−5 +0%	4−5 +0%
Far Cry New Dawn	6−7 +0%	6−7 +0%
Forza Horizon 4	10−12 +0%	10−12 +0%
Hitman 3	7−8 +0%	7−8 +0%
Horizon Zero Dawn	20−22 +0%	20−22 +0%
Metro Exodus	1−2 +0%	1−2 +0%
Red Dead Redemption 2	5−6 +0%	5−6 +0%
Shadow of the Tomb Raider	10−12 +0%	10−12 +0%
The Witcher 3: Wild Hunt	18 +0%	18 +0%
Watch Dogs: Legion	35−40 +0%	35−40 +0%

Full HD
Ultra Preset

Assassin's Creed Odyssey	8−9 +0%	8−9 +0%
Call of Duty: Modern Warfare	6−7 +0%	6−7 +0%
Cyberpunk 2077	5−6 +0%	5−6 +0%
Far Cry 5	4−5 +0%	4−5 +0%
Forza Horizon 4	10−12 +0%	10−12 +0%
Hitman 3	7−8 +0%	7−8 +0%
Horizon Zero Dawn	20−22 +0%	20−22 +0%
Shadow of the Tomb Raider	10−12 +0%	10−12 +0%
The Witcher 3: Wild Hunt	12−14 +0%	12−14 +0%
Watch Dogs: Legion	35−40 +0%	35−40 +0%

Full HD
Epic Preset

Red Dead Redemption 2

5−6

+0%

5−6

+0%

1440p
High Preset

Battlefield 5	4−5 +0%	4−5 +0%
Far Cry New Dawn	4−5 +0%	4−5 +0%

1440p
Ultra Preset

Assassin's Creed Odyssey	2−3 +0%	2−3 +0%
Call of Duty: Modern Warfare	1−2 +0%	1−2 +0%
Cyberpunk 2077	1−2 +0%	1−2 +0%
Far Cry 5	3−4 +0%	3−4 +0%
Hitman 3	7−8 +0%	7−8 +0%
Horizon Zero Dawn	6−7 +0%	6−7 +0%
The Witcher 3: Wild Hunt	2−3 +0%	2−3 +0%
Watch Dogs: Legion	14−16 +0%	14−16 +0%

1440p
Epic Preset

Red Dead Redemption 2

5−6

+0%

5−6

+0%

4K
High Preset

Battlefield 5	0−1	0−1
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	1−2 +0%	1−2 +0%
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 9800 GX2 and GT 640M compete in popular games:

GT 640M is 24% faster in 900p
GT 640M is 22% faster in 1080p
GT 640M is 19% faster in 1200p

All in all, in popular games:

there's a draw in 56 tests (100%)

Pros & cons summary

Performance score	2.07	2.39
Recency	18 March 2008	22 March 2012
Maximum RAM amount	512 MB	2 GB
Chip lithography	65 nm	28 nm
Power consumption (TDP)	197 Watt	32 Watt

GT 640M has a 15.5% higher aggregate performance score, an age advantage of 4 years, a 300% higher maximum VRAM amount, a 132.1% more advanced lithography process, and 515.6% lower power consumption.

The GeForce GT 640M is our recommended choice as it beats the GeForce 9800 GX2 in performance tests.

Be aware that GeForce 9800 GX2 is a desktop card while GeForce GT 640M is a notebook one.

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