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GPU Comparison
NVIDIA GeForce GTX 970 vs AMD Radeon HD 6950
NVIDIA GeForce GTX 970 vs AMD Radeon HD 6950
VS
NVIDIA GeForce GTX 970
AMD Radeon HD 6950
We compared two Desktop platform GPUs: 4GB VRAM GeForce GTX 970 and 2GB VRAM Radeon HD 6950 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTX 970 's Advantages
Released 3 years and 9 months late
Boost Clock1178MHz
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (224.4GB/s vs 160.0GB/s)
256 additional rendering cores
Lower TDP (148W vs 200W)
Score
Benchmark
FP32 (float)
GeForce GTX 970
+73%
3.92 TFLOPS
Radeon HD 6950
2.253 TFLOPS
GeForce GTX 970
VS
Radeon HD 6950
Graphics Card
Sep 2014
Release Date
Dec 2010
GeForce 900
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1050 MHz
Base Clock
-
1178 MHz
Boost Clock
-
1753 MHz
Memory Clock
1250 MHz
Memory
4GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
256bit
224.4GB/s
Bandwidth
160.0GB/s
Render Config
-
SM Count
-
-
Compute Units
22
1664
Shading Units
1408
104
TMUs
88
56
ROPs
32
-
Tensor Cores
-
-
RT Cores
-
48 KB (per SMM)
L1 Cache
8 KB (per CU)
2 MB
L2 Cache
512 KB
Theoretical Performance
65.97 GPixel/s
Pixel Rate
25.60 GPixel/s
122.5 GTexel/s
Texture Rate
70.40 GTexel/s
-
FP16 (half)
-
3.920 TFLOPS
FP32 (float)
2.253 TFLOPS
122.5 GFLOPS
FP64 (double)
563.2 GFLOPS
Graphics Processor
GM204
GPU Name
Cayman
GM204-200-A1
GPU Variant
Cayman PRO (215-0807019)
Maxwell 2.0
Architecture
TeraScale 3
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
5.2 billion
Transistors
2.64 billion
398 mm²
Die Size
389 mm²
Board Design
148W
TDP
200W
300 W
Suggested PSU
550 W
1x DVI 1x HDMI 2.0 3x DisplayPort 1.4a
Outputs
2x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
2x 6-pin
Power Connectors
2x 6-pin
Graphics Features
12 (12_1)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
3.0
OpenCL
1.2
1.3
Vulkan
N/A
5.2
CUDA
-
6.4
Shader Model
5.0
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