Home GPU Comparison AMD Radeon HD 7950 vs NVIDIA GeForce GTX 970

AMD Radeon HD 7950 vs NVIDIA GeForce GTX 970

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7950 and 4GB VRAM GeForce GTX 970 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7950 's Advantages
Larger VRAM bandwidth (240.0GB/s vs 224.4GB/s)
128 additional rendering cores
NVIDIA GeForce GTX 970 's Advantages
Released 2 years and 8 months late
Boost Clock1178MHz
More VRAM (4GB vs 3GB)
Lower TDP (148W vs 200W)

Score

Benchmark

FP32 (float)
Radeon HD 7950
2.867 TFLOPS
GeForce GTX 970 +36%
3.92 TFLOPS
3DMark Time Spy
Radeon HD 7950
1917
GeForce GTX 970 +88%
3622
VS

Graphics Card

Jan 2012
Release Date
Sep 2014
Southern Islands
Generation
GeForce 900
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

-
Base Clock
1050 MHz
-
Boost Clock
1178 MHz
1250 MHz
Memory Clock
1753 MHz

Memory

3GB
Memory Size
4GB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
256bit
240.0GB/s
Bandwidth
224.4GB/s

Render Config

-
SM Count
-
28
Compute Units
-
1792
Shading Units
1664
112
TMUs
104
32
ROPs
56
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
48 KB (per SMM)
768 KB
L2 Cache
2 MB

Theoretical Performance

25.60 GPixel/s
Pixel Rate
65.97 GPixel/s
89.60 GTexel/s
Texture Rate
122.5 GTexel/s
-
FP16 (half)
-
2.867 TFLOPS
FP32 (float)
3.920 TFLOPS
716.8 GFLOPS
FP64 (double)
122.5 GFLOPS

Graphics Processor

Tahiti
GPU Name
GM204
Tahiti PRO (215-0821056)
GPU Variant
GM204-200-A1
GCN 1.0
Architecture
Maxwell 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
4.313 billion
Transistors
5.2 billion
352 mm²
Die Size
398 mm²

Board Design

200W
TDP
148W
550 W
Suggested PSU
300 W
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
Outputs
1x DVI 1x HDMI 2.0 3x DisplayPort 1.4a
2x 6-pin
Power Connectors
2x 6-pin

Graphics Features

12 (11_1)
DirectX
12 (12_1)
4.6
OpenGL
4.6
1.2
OpenCL
3.0
1.2
Vulkan
1.3
-
CUDA
5.2
5.1
Shader Model
6.4

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