FirePro V4900 vs Radeon RX 640

When comparing FirePro V4900 and Radeon RX 640, we look primarily at benchmarks and game tests. But it is not only about the numbers. Often you can find third-party models with higher clock speeds, better cooling, or a customizable RGB lighting. Not all of them will have all the features you need. Another thing to consider is the port selection. Most graphics cards have at least one DisplayPort and HDMI interface, but some monitors require DVI. Before you buy, check the TDP of the graphics card - this characteristic will help you estimate the consumption of the graphics card. You may even have to upgrade your PSU to meet its requirements. An important factor when choosing between FirePro V4900 and Radeon RX 640 is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.

Radeon RX 640 is a Laptop Graphics Card

Note: Radeon RX 640 is only used in laptop graphics. It has lower GPU clock speed compared to the desktop variant, which results in lower power consumption, but also 10-30% lower gaming performance. Check available laptop models with Radeon RX 640 here:

Main Specs

  FirePro V4900 Radeon RX 640
Power consumption (TDP) 75 Watt 50 Watt
Interface PCIe 2.0 x16 PCIe 3.0 x8
Supplementary power connectors None None
Memory type GDDR5 GDDR5
Maximum RAM amount 1 GB 4 GB
Display Connectors 1x DVI, 2x DisplayPort 1x DVI, 1x HDMI, 1x DisplayPort
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  • FirePro V4900 has 50% more power consumption, than Radeon RX 640.
  • FirePro V4900 is connected by PCIe 2.0 x16, and Radeon RX 640 uses PCIe 3.0 x8 interface.
  • Radeon RX 640 has 3 GB more memory, than FirePro V4900.
  • FirePro V4900 is used in Desktops, and Radeon RX 640 - in Laptops.
  • FirePro V4900 is build with TeraScale 2 architecture, and Radeon RX 640 - with Polaris.
  • Core clock speed of Radeon RX 640 is 418 MHz higher, than FirePro V4900.
  • FirePro V4900 is manufactured by 40 nm process technology, and Radeon RX 640 - by 14 nm process technology.
  • Memory clock speed of Radeon RX 640 is 2000 MHz higher, than FirePro V4900.

Game benchmarks

high / 1080p 2−3 5−6
ultra / 1080p 1−2 3−4
QHD / 1440p 0−1 2−3
low / 720p 12−14 16−18
medium / 1080p 4−5 7−8
The average gaming FPS of Radeon RX 640 in Assassin's Creed Odyssey is 60% more, than FirePro V4900.

Full Specs

  FirePro V4900 Radeon RX 640
Architecture TeraScale 2 Polaris
Code name Turks Polaris 12
Type Workstation Laptop
Release date 1 November 2011 12 August 2019
Pipelines 480 640
Core clock speed 800 MHz 1218 MHz
Boost Clock 1218 MHz
Transistor count 716 million 2,200 million
Manufacturing process technology 40 nm 14 nm
Texture fill rate 19.20 38.98
Floating-point performance 768.0 gflops
Length 163 mm
Memory bus width 128 Bit 64 Bit
Memory clock speed 4000 MHz 6000 MHz
Memory bandwidth 64 GB/s 112.0 GB/s
Shared memory -
DirectX 11.2 (11_0) 12 (12_0)
Shader Model 5.0 6.4
OpenGL 4.4 4.6
OpenCL 1.2 2.0
Vulkan N/A 1.2.131
FreeSync +
Bitcoin / BTC (SHA256) 73 Mh/s
Laptop size large
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