GeForce GT 640M Mac Edition vs Radeon Pro 555

Place in the ranking	511	1094
Place by popularity	not in top-100	not in top-100
Power efficiency	7.57	2.27
Architecture	GCN 4.0 (2016−2020)	Kepler (2012−2018)
GPU code name	Polaris 21	GK107
Market segment	Mobile workstation	Laptop
Release date	5 June 2017 (7 years ago)	3 February 2013 (11 years ago)

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	768	384
Core clock speed	850 MHz	745 MHz
Number of transistors	3,000 million	1,270 million
Manufacturing process technology	14 nm	28 nm
Power consumption (TDP)	75 Watt	32 Watt
Texture fill rate	40.80	23.84
Floating-point processing power	1.306 TFLOPS	0.5722 TFLOPS
ROPs	16	8
TMUs	48	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	large	no data
Interface	PCIe 3.0 x8	PCIe 3.0 x16
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	GDDR5	GDDR5
Maximum RAM amount	2 GB	512 MB
Memory bus width	128 Bit	64 Bit
Memory clock speed	1275 MHz	1250 MHz
Memory bandwidth	81.6 GB/s	40 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

No outputs

Supported technologies

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

FreeSync

API compatibility

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

DirectX	12 (12_0)	12 (11_0)
Shader Model	6.4	5.1
OpenGL	4.6	4.6
OpenCL	2.0	1.2
Vulkan	1.2.131	1.1.126
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	32 +700%	4−5 −700%
4K	12 +1100%	1−2 −1100%

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077

12−14
+1200%

1−2

−1200%

Full HD
Medium Preset

Assassin's Creed Odyssey	20 +900%	2−3 −900%
Assassin's Creed Valhalla	10−12 +1000%	1−2 −1000%
Battlefield 5	32 +700%	4−5 −700%
Call of Duty: Modern Warfare	16−18 +750%	2−3 −750%
Cyberpunk 2077	12−14 +1200%	1−2 −1200%
Far Cry 5	26 +767%	3−4 −767%
Far Cry New Dawn	21−24 +1050%	2−3 −1050%
Forza Horizon 4	50−55 +800%	6−7 −800%
Hitman 3	16−18 +700%	2−3 −700%
Horizon Zero Dawn	45−50 +683%	6−7 −683%
Metro Exodus	24−27 +700%	3−4 −700%
Red Dead Redemption 2	21−24 +1050%	2−3 −1050%
Shadow of the Tomb Raider	42 +740%	5−6 −740%
Watch Dogs: Legion	55−60 +714%	7−8 −714%

Full HD
High Preset

Assassin's Creed Odyssey	26 +767%	3−4 −767%
Assassin's Creed Valhalla	10−12 +1000%	1−2 −1000%
Battlefield 5	26 +767%	3−4 −767%
Call of Duty: Modern Warfare	16−18 +750%	2−3 −750%
Cyberpunk 2077	12−14 +1200%	1−2 −1200%
Far Cry 5	21 +950%	2−3 −950%
Far Cry New Dawn	21−24 +1050%	2−3 −1050%
Forza Horizon 4	50−55 +800%	6−7 −800%
Hitman 3	16−18 +700%	2−3 −700%
Horizon Zero Dawn	45−50 +683%	6−7 −683%
Metro Exodus	24−27 +700%	3−4 −700%
Red Dead Redemption 2	21−24 +1050%	2−3 −1050%
Shadow of the Tomb Raider	27−30 +800%	3−4 −800%
The Witcher 3: Wild Hunt	21−24 +1050%	2−3 −1050%
Watch Dogs: Legion	55−60 +714%	7−8 −714%

Full HD
Ultra Preset

Assassin's Creed Odyssey	20−22 +900%	2−3 −900%
Assassin's Creed Valhalla	10−12 +1000%	1−2 −1000%
Call of Duty: Modern Warfare	16−18 +750%	2−3 −750%
Cyberpunk 2077	12−14 +1200%	1−2 −1200%
Far Cry 5	15 +1400%	1−2 −1400%
Forza Horizon 4	18 +800%	2−3 −800%
Hitman 3	16−18 +700%	2−3 −700%
Horizon Zero Dawn	45−50 +683%	6−7 −683%
Shadow of the Tomb Raider	27−30 +800%	3−4 −800%
The Witcher 3: Wild Hunt	14 +1300%	1−2 −1300%
Watch Dogs: Legion	55−60 +714%	7−8 −714%

Full HD
Epic Preset

Red Dead Redemption 2

21−24
+1050%

2−3

−1050%

1440p
High Preset

Battlefield 5	16−18 +700%	2−3 −700%
Far Cry New Dawn	12−14 +1100%	1−2 −1100%

1440p
Ultra Preset

Assassin's Creed Odyssey	8−9 +700%	1−2 −700%
Assassin's Creed Valhalla	4−5	0−1
Call of Duty: Modern Warfare	8−9 +700%	1−2 −700%
Cyberpunk 2077	4−5	0−1
Far Cry 5	9−10 +800%	1−2 −800%
Forza Horizon 4	30−35 +700%	4−5 −700%
Hitman 3	12−14 +1100%	1−2 −1100%
Horizon Zero Dawn	16−18 +750%	2−3 −750%
Metro Exodus	10−11 +900%	1−2 −900%
Shadow of the Tomb Raider	8−9 +700%	1−2 −700%
The Witcher 3: Wild Hunt	7−8	0−1
Watch Dogs: Legion	50−55 +767%	6−7 −767%

1440p
Epic Preset

Red Dead Redemption 2

14−16
+1300%

1−2

−1300%

4K
High Preset

Battlefield 5	7−8	0−1
Far Cry New Dawn	6−7	0−1
Hitman 3	4−5	0−1
Horizon Zero Dawn	30−33 +900%	3−4 −900%
Metro Exodus	6−7	0−1
The Witcher 3: Wild Hunt	5−6	0−1

4K
Ultra Preset

Assassin's Creed Odyssey	5−6	0−1
Assassin's Creed Valhalla	4−5	0−1
Call of Duty: Modern Warfare	4−5	0−1
Cyberpunk 2077	1−2	0−1
Far Cry 5	4−5	0−1
Forza Horizon 4	9−10 +800%	1−2 −800%
Shadow of the Tomb Raider	4−5	0−1
Watch Dogs: Legion	3−4	0−1

4K
Epic Preset

Red Dead Redemption 2

8−9
+700%

1−2

−700%

This is how Pro 555 and GT 640M Mac Edition compete in popular games:

Pro 555 is 700% faster in 1080p
Pro 555 is 1100% faster in 4K

Pros & cons summary

Performance score	8.14	1.04
Recency	5 June 2017	3 February 2013
Maximum RAM amount	2 GB	512 MB
Chip lithography	14 nm	28 nm
Power consumption (TDP)	75 Watt	32 Watt

Pro 555 has a 682.7% higher aggregate performance score, an age advantage of 4 years, a 300% higher maximum VRAM amount, and a 100% more advanced lithography process.

GT 640M Mac Edition, on the other hand, has 134.4% lower power consumption.

The Radeon Pro 555 is our recommended choice as it beats the GeForce GT 640M Mac Edition in performance tests.

Be aware that Radeon Pro 555 is a mobile workstation card while GeForce GT 640M Mac Edition is a mobile workstation one.

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