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GPU Comparison
AMD Radeon HD 6950 vs AMD Radeon R7 265
AMD Radeon HD 6950 vs AMD Radeon R7 265
VS
AMD Radeon HD 6950
AMD Radeon R7 265
We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6950 and 2GB VRAM Radeon R7 265 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 6950 's Advantages
384 additional rendering cores
AMD Radeon R7 265 's Advantages
Released 3 years and 2 months late
Boost Clock925MHz
Larger VRAM bandwidth (179.2GB/s vs 160.0GB/s)
Lower TDP (150W vs 200W)
Score
Benchmark
FP32 (float)
Radeon HD 6950
+18%
2.253 TFLOPS
Radeon R7 265
1.894 TFLOPS
Radeon HD 6950
VS
Radeon R7 265
Graphics Card
Dec 2010
Release Date
Feb 2014
Northern Islands
Generation
Volcanic Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
900 MHz
-
Boost Clock
925 MHz
1250 MHz
Memory Clock
1400 MHz
Memory
2GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
256bit
160.0GB/s
Bandwidth
179.2GB/s
Render Config
-
SM Count
-
22
Compute Units
16
1408
Shading Units
1024
88
TMUs
64
32
ROPs
32
-
Tensor Cores
-
-
RT Cores
-
8 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
512 KB
Theoretical Performance
25.60 GPixel/s
Pixel Rate
29.60 GPixel/s
70.40 GTexel/s
Texture Rate
59.20 GTexel/s
-
FP16 (half)
-
2.253 TFLOPS
FP32 (float)
1.894 TFLOPS
563.2 GFLOPS
FP64 (double)
118.4 GFLOPS
Graphics Processor
Cayman
GPU Name
Pitcairn
Cayman PRO (215-0807019)
GPU Variant
Pitcairn PRO (215-0828062)
TeraScale 3
Architecture
GCN 1.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
2.64 billion
Transistors
2.8 billion
389 mm²
Die Size
212 mm²
Board Design
200W
TDP
150W
550 W
Suggested PSU
450 W
2x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
Outputs
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
2x 6-pin
Power Connectors
1x 6-pin
Graphics Features
11.2 (11_0)
DirectX
12 (11_1)
4.4
OpenGL
4.6
1.2
OpenCL
1.2
N/A
Vulkan
1.2
-
CUDA
-
5.0
Shader Model
5.1
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