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GPU Comparison
AMD Radeon HD 7950 Boost vs AMD Radeon HD 6850 1440SP Edition
AMD Radeon HD 7950 Boost vs AMD Radeon HD 6850 1440SP Edition
VS
AMD Radeon HD 7950 Boost
AMD Radeon HD 6850 1440SP Edition
We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7950 Boost and 1024MB VRAM Radeon HD 6850 1440SP Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 7950 Boost 's Advantages
Boost Clock925MHz
More VRAM (3GB vs 1GB)
Larger VRAM bandwidth (240.0GB/s vs 128.0GB/s)
352 additional rendering cores
AMD Radeon HD 6850 1440SP Edition 's Advantages
Lower TDP (151W vs 200W)
Score
Benchmark
FP32 (float)
Radeon HD 7950 Boost
+58%
3.315 TFLOPS
Radeon HD 6850 1440SP Edition
2.088 TFLOPS
Radeon HD 7950 Boost
VS
Radeon HD 6850 1440SP Edition
Graphics Card
Jun 2012
Release Date
Aug 2012
Southern Islands
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
850 MHz
Base Clock
-
925 MHz
Boost Clock
-
1250 MHz
Memory Clock
1000 MHz
Memory
3GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
256bit
240.0GB/s
Bandwidth
128.0GB/s
Render Config
-
SM Count
-
28
Compute Units
18
1792
Shading Units
1440
112
TMUs
72
32
ROPs
32
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
8 KB (per CU)
768 KB
L2 Cache
512 KB
Theoretical Performance
29.60 GPixel/s
Pixel Rate
23.20 GPixel/s
103.6 GTexel/s
Texture Rate
52.20 GTexel/s
-
FP16 (half)
-
3.315 TFLOPS
FP32 (float)
2.088 TFLOPS
828.8 GFLOPS
FP64 (double)
417.6 GFLOPS
Graphics Processor
Tahiti
GPU Name
Cypress
Tahiti PRO2 (215-0821282)
GPU Variant
Cypress PRO (215-0735043)
GCN 1.0
Architecture
TeraScale 2
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
4.313 billion
Transistors
2.154 billion
352 mm²
Die Size
334 mm²
Board Design
200W
TDP
151W
550 W
Suggested PSU
450 W
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
Outputs
2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1
2x 6-pin
Power Connectors
2x 6-pin
Graphics Features
12 (11_1)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
1.2
OpenCL
1.2
1.2
Vulkan
N/A
-
CUDA
-
5.1
Shader Model
5.0
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