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GPU Comparison
AMD Radeon HD 6950 vs ATI Radeon HD 2900 XT
AMD Radeon HD 6950 vs ATI Radeon HD 2900 XT
VS
AMD Radeon HD 6950
ATI Radeon HD 2900 XT
We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6950 and 512MB VRAM Radeon HD 2900 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 6950 's Advantages
Released 3 years and 7 months late
Larger VRAM bandwidth (160.0GB/s vs 106.0GB/s)
1088 additional rendering cores
Lower TDP (200W vs 215W)
Score
Benchmark
FP32 (float)
Radeon HD 6950
+373%
2.253 TFLOPS
Radeon HD 2900 XT
0.476 TFLOPS
Radeon HD 6950
VS
Radeon HD 2900 XT
Graphics Card
Dec 2010
Release Date
May 2007
Northern Islands
Generation
Radeon R600
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 1.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1250 MHz
Memory Clock
828 MHz
Memory
2GB
Memory Size
512MB
GDDR5
Memory Type
GDDR3
256bit
Memory Bus
512bit
160.0GB/s
Bandwidth
106.0GB/s
Render Config
-
SM Count
-
22
Compute Units
4
1408
Shading Units
320
88
TMUs
16
32
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
8 KB (per CU)
L1 Cache
-
512 KB
L2 Cache
256 KB
Theoretical Performance
25.60 GPixel/s
Pixel Rate
11.89 GPixel/s
70.40 GTexel/s
Texture Rate
11.89 GTexel/s
-
FP16 (half)
-
2.253 TFLOPS
FP32 (float)
475.5 GFLOPS
563.2 GFLOPS
FP64 (double)
-
Graphics Processor
Cayman
GPU Name
R600
Cayman PRO (215-0807019)
GPU Variant
R600 XT (215RGMDKA13FG)
TeraScale 3
Architecture
TeraScale
TSMC
Foundry
TSMC
40 nm
Process Size
80 nm
2.64 billion
Transistors
0.72 billion
389 mm²
Die Size
420 mm²
Board Design
200W
TDP
215W
550 W
Suggested PSU
550 W
2x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
Outputs
2x DVI 1x S-Video
2x 6-pin
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Features
11.2 (11_0)
DirectX
10.0 (10_0)
4.4
OpenGL
3.3 (full) 4.0 (partial)
1.2
OpenCL
N/A
N/A
Vulkan
N/A
-
CUDA
-
5.0
Shader Model
4.0
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2
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3
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4
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5
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6
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7
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8
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9
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10
AMD Radeon HD 6950 vs AMD Radeon RX 7900 GRE
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