Radeon HD 6990 vs Radeon R9 A375

Find out if it is worth upgrading your current GPU setup by comparing Radeon HD 6990 and Radeon R9 A375. 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 Radeon HD 6990 and Radeon R9 A375. 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

  Radeon HD 6990 Radeon R9 A375
Power consumption (TDP) 375 Watt
Interface PCIe 2.0 x16 PCIe 3.0 x16
Supplementary power connectors 2x 8-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB 2 GB
Display Connectors 1x DVI, 4x mini-DisplayPort No outputs
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  • Radeon HD 6990 is connected by PCIe 2.0 x16, and Radeon R9 A375 uses PCIe 3.0 x16 interface.
  • Radeon HD 6990 and Radeon R9 A375 have maximum RAM of 2 GB.
  • Both cards are used in Desktops.
  • Radeon HD 6990 is build with TeraScale 3 architecture, and Radeon R9 A375 - with GCN 1.0.
  • Core clock speed of Radeon R9 A375 is 70 MHz higher, than Radeon HD 6990.
  • Radeon HD 6990 is manufactured by 40 nm process technology, and Radeon R9 A375 - by 28 nm process technology.
  • Memory clock speed of Radeon HD 6990 is 4996 MHz higher, than Radeon R9 A375.

Game benchmarks

high / 1080p 14−16 2−3
ultra / 1080p 9−10 1−2
QHD / 1440p 3−4 0−1
low / 720p 30−35 12−14
medium / 1080p 18−20 4−5
The average gaming FPS of Radeon HD 6990 in Assassin's Creed Odyssey is 280% more, than Radeon R9 A375.

Full Specs

  Radeon HD 6990 Radeon R9 A375
Architecture TeraScale 3 GCN 1.0
Code name Antilles Venus
Type Desktop Desktop
Release date 8 March 2011 no data
Pipelines 1536 640
Core clock speed 830 MHz 900 MHz
Boost Clock 925 MHz
Transistor count 2,640 million 1,500 million
Manufacturing process technology 40 nm 28 nm
Texture fill rate 79.68 37.00
Floating-point performance 2x 2,549.8 gflops
Length 295 mm
Memory bus width 256 Bit 128 Bit
Memory clock speed 5000 MHz 4.5 GB/s
Memory bandwidth 160.0 GB/s 72 GB/s
DirectX 11.2 (11_0) 12 (11_1)
Shader Model 5.0 5.1
OpenGL 4.4 4.6
OpenCL 1.2 1.2
Vulkan N/A 1.2
Bitcoin / BTC (SHA256) 265 Mh/s
Ethereum / ETH (DaggerHashimoto) 24 Mh/s
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