FirePro W4100 vs Radeon HD 6870

Find out if it is worth upgrading your current GPU setup by comparing FirePro W4100 and Radeon HD 6870. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between FirePro W4100 and Radeon HD 6870. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.

Main Specs

  FirePro W4100 Radeon HD 6870
Power consumption (TDP) 50 Watt 151 Watt
Interface PCIe 3.0 x16 PCIe 2.0 x16
Supplementary power connectors None 2x 6-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB 1 GB
Display Connectors 4x mini-DisplayPort 2x DVI, 1x HDMI, 2x mini-DisplayPort
  Check Price Check Price
  • Radeon HD 6870 has 202% more power consumption, than FirePro W4100.
  • FirePro W4100 is connected by PCIe 3.0 x16, and Radeon HD 6870 uses PCIe 2.0 x16 interface.
  • FirePro W4100 has 1 GB more memory, than Radeon HD 6870.
  • Both cards are used in Desktops.
  • FirePro W4100 is build with GCN architecture, and Radeon HD 6870 - with Terascale 2.
  • FirePro W4100 is manufactured by 28 nm process technology, and Radeon HD 6870 - by 40 nm process technology.
  • Radeon HD 6870 is 49 mm longer, than FirePro W4100.
  • Memory clock speed of FirePro W4100 is 2950 MHz higher, than Radeon HD 6870.

Game benchmarks

high / 1080p 6−7 10−12
ultra / 1080p 4−5 6−7
QHD / 1440p 0−1 1−2
low / 720p 16−18 24−27
medium / 1080p 8−9 12−14
The average gaming FPS of Radeon HD 6870 in Assassin's Creed Odyssey is 55% more, than FirePro W4100.

Full Specs

  FirePro W4100 Radeon HD 6870
Architecture GCN Terascale 2
Code name Cape Verde RV940 Barts
Type Workstation Desktop
Release date 2 October 2015 22 October 2010
Pipelines 512 1120
Core clock speed 630 MHz
Boost Clock 900 MHz
Transistor count 1,500 million 1,700 million
Manufacturing process technology 28 nm 40 nm
Texture fill rate 20.16 50.40
Floating-point performance 645.1 gflops 2,016.0 gflops
Length 171 mm 220 mm
Memory bus width 128 Bit 256 Bit
Memory clock speed 4000 MHz 1050 MHz
Memory bandwidth 72 GB/s 134.4 GB/s
Shared memory - -
DirectX 12 (11_1)
Shader Model 5.1 5.0
OpenGL 4.6 4.4
OpenCL 1.2 1.2
Vulkan 1.2.131
Bus support PCIe 3.0 PCIe 2.0 x16
HDMI +
Bitcoin / BTC (SHA256) 79 Mh/s 213 Mh/s
Eyefinity +
Design reference
CrossFire +
Form factor low profile / half length
Dual-link DVI support +
AppAcceleration +
  Check Price Check Price