AMD Radeon HD 7970 vs NVIDIA GeForce GTX 950

Graphics Processor

GPU model Tahiti GM206
GPU variant Tahiti XT (215-0821060) GM206-250-A1
Architecture GCN 1.0 Maxwell 2.0
Foundry TSMC TSMC
Manufacturing process 28 nm 28 nm
Number of transistors 4,313 million 2,940 million
Die size 352 mm² 228 mm²

Graphics Card

Release date Dec 22nd, 2011 Aug 20th, 2015
Generation Southern Islands GeForce 900
Production End-of-life End-of-life
Launch price 549 USD 159 USD
Interface PCIe 3.0 x16 PCIe 3.0 x16
Reviews 191 in our database 76 in our database
gpu.details.availability Jan 9th, 2012
Predecessor Northern Islands GeForce 700
Successor Sea Islands GeForce 10

Clocks

GPU clock 925 MHz
Memory clock 1375 MHz 5.5 Gbps effective 1653 MHz 6.6 Gbps effective
Base clock 1024 MHz
Boost clock 1188 MHz

Memory Configuration

Memory size 3 GB 2 GB
Memory type GDDR5 GDDR5
Memory bus width 384 bit 128 bit
Bandwidth 264.0 GB/s 105.8 GB/s

Render Configuration

Shading units 2048 768
TMUs 128 48
ROPs 32 32
Compute units 32
Cache L1 16 KB (per CU) 48 KB (per SMM)
Cache L2 768 KB 1024 KB
SMM count 6

Performance

Pixel rate 29.60 GPixel/s 38.02 GPixel/s
Texture rate 118.4 GTexel/s 57.02 GTexel/s
FP32 (float) performance 3.789 TFLOPS 1.825 TFLOPS
FP64 (double) performance 947.2 GFLOPS (1:4) 57.02 GFLOPS (1:32)

Dimensions & Outputs

Slot width Dual-slot Dual-slot
Length 275 mm 10.8 inches 202 mm 8 inches
Width 111 mm 4.4 inches
Height 38 mm 1.5 inches
TDP 250 W 90 W
Suggested PSU 600 W 250 W
Outputs 1x DVI1x HDMI2x mini-DisplayPort 1x DVI1x HDMI3x DisplayPort
Power connectors 1x 6-pin + 1x 8-pin 1x 6-pin
Board number C386-37

API Support & Features

DirectX 12 (11_1) 12 (12_1)
OpenGL 4.6 4.6
OpenCL 1.2 3.0
Vulkan 1.2 1.1
Shader model 5.1 6.4
CUDA 5.2

Other Features

Compare

Sysrqmts browser extension icon
Stop overpaying for PC games!
See cheapest prices in Steam store with our browser extension.