FirePro V4900 vs Radeon R9 M385X

When comparing FirePro V4900 and Radeon R9 M385X, 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 R9 M385X is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.

Radeon R9 M385X is a Laptop Graphics Card

Note: Radeon R9 M385X 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 R9 M385X here:

Main Specs

  FirePro V4900 Radeon R9 M385X
Power consumption (TDP) 75 Watt
Interface PCIe 2.0 x16 PCIe 3.0 x16
Supplementary power connectors None
Memory type GDDR5 GDDR5
Maximum RAM amount 1 GB 4 GB
Display Connectors 1x DVI, 2x DisplayPort No outputs
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  • FirePro V4900 is connected by PCIe 2.0 x16, and Radeon R9 M385X uses PCIe 3.0 x16 interface.
  • Radeon R9 M385X has 3 GB more memory, than FirePro V4900.
  • FirePro V4900 is used in Desktops, and Radeon R9 M385X - in Laptops.
  • FirePro V4900 is build with TeraScale 2 architecture, and Radeon R9 M385X - with GCN.
  • Core clock speed of Radeon R9 M385X is 300 MHz higher, than FirePro V4900.
  • FirePro V4900 is manufactured by 40 nm process technology, and Radeon R9 M385X - by 28 nm process technology.
  • Memory clock speed of FirePro V4900 is 2500 MHz higher, than Radeon R9 M385X.

Game benchmarks

high / 1080p 2−3 8−9
ultra / 1080p 1−2 5−6
QHD / 1440p 0−1 0−1
low / 720p 12−14 18−20
medium / 1080p 4−5 10−11
The average gaming FPS of Radeon R9 M385X in Assassin's Creed Odyssey is 100% more, than FirePro V4900.

Full Specs

  FirePro V4900 Radeon R9 M385X
Architecture TeraScale 2 GCN
Code name Turks Strato-XT-M3
Type Workstation Laptop
Release date 1 November 2011 16 June 2015
Pipelines 480 896
Core clock speed 800 MHz 1100 MHz
Boost Clock 1100 MHz
Transistor count 716 million 2,080 million
Manufacturing process technology 40 nm 28 nm
Texture fill rate 19.20 61.60
Floating-point performance 768.0 gflops 1,971 gflops
Length 163 mm
Memory bus width 128 Bit 128 Bit
Memory clock speed 4000 MHz 1500 MHz
Memory bandwidth 64 GB/s 76.8 GB/s
Shared memory -
DirectX 11.2 (11_0)
Shader Model 5.0 6.3
OpenGL 4.4 4.4
OpenCL 1.2 Not Listed
Vulkan N/A
FreeSync +
Bus support PCIe 3.0
Bitcoin / BTC (SHA256) 73 Mh/s
Laptop size large
Eyefinity +
HD3D +
PowerTune +
DualGraphics +
ZeroCore +
Switchable graphics +
Mantle +
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