GeForce GT 740 vs Radeon HD 6990

Find out if it is worth upgrading your current GPU setup by comparing GeForce GT 740 and Radeon HD 6990. 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 GeForce GT 740 and Radeon HD 6990. 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

  GeForce GT 740 Radeon HD 6990
Power consumption (TDP) 64 Watt 375 Watt
Interface PCIe 3.0 x16 PCIe 2.0 x16
Supplementary power connectors 1x 6-pin 2x 8-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 1 GB 2 GB
Display Connectors 2x DVI, 1x mini-HDMI 1x DVI, 4x mini-DisplayPort
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  • Radeon HD 6990 has 485% more power consumption, than GeForce GT 740.
  • GeForce GT 740 is connected by PCIe 3.0 x16, and Radeon HD 6990 uses PCIe 2.0 x16 interface.
  • Radeon HD 6990 has 1 GB more memory, than GeForce GT 740.
  • Both cards are used in Desktops.
  • GeForce GT 740 is build with Kepler architecture, and Radeon HD 6990 - with TeraScale 3.
  • Core clock speed of GeForce GT 740 is 163 MHz higher, than Radeon HD 6990.
  • GeForce GT 740 is manufactured by 28 nm process technology, and Radeon HD 6990 - by 40 nm process technology.
  • Radeon HD 6990 is 150 mm longer, than GeForce GT 740.
  • Memory clock speed of GeForce GT 740 is 12 MHz higher, than Radeon HD 6990.

Game benchmarks

high / 1080p 7−8 14−16
ultra / 1080p 4−5 9−10
QHD / 1440p 0−1 3−4
low / 720p 16−18 30−35
medium / 1080p 8−9 18−20
The average gaming FPS of Radeon HD 6990 in Assassin's Creed Odyssey is 111% more, than GeForce GT 740.

Full Specs

  GeForce GT 740 Radeon HD 6990
Architecture Kepler TeraScale 3
Code name GK107 Antilles
Type Desktop Desktop
Release date 29 May 2014 8 March 2011
Pipelines 384 1536
Core clock speed 993 MHz 830 MHz
Transistor count 1,270 million 2,640 million
Manufacturing process technology 28 nm 40 nm
Texture fill rate 31.78 79.68
Floating-point performance 762.6 gflops 2x 2,549.8 gflops
Length 145 mm 295 mm
Memory bus width 128 Bit 256 Bit
Memory clock speed 5012 MHz 5000 MHz
Memory bandwidth 80.19 GB/s 160.0 GB/s
DirectX 12 (11_0) 11.2 (11_0)
Shader Model 5.1 5.0
OpenGL 4.6 4.4
OpenCL 1.2 1.2
Vulkan 1.1.126 N/A
CUDA 3.0
Bitcoin / BTC (SHA256) 25 Mh/s 265 Mh/s
Ethereum / ETH (DaggerHashimoto) 24 Mh/s
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