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GPU Comparison
AMD Radeon HD 7950 vs ATI Radeon HD 5870
AMD Radeon HD 7950 vs ATI Radeon HD 5870
VS
AMD Radeon HD 7950
ATI Radeon HD 5870
We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7950 and 1024MB VRAM Radeon HD 5870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 7950 's Advantages
Released 2 years and 4 months late
More VRAM (3GB vs 1GB)
Larger VRAM bandwidth (240.0GB/s vs 153.6GB/s)
192 additional rendering cores
ATI Radeon HD 5870 's Advantages
Lower TDP (188W vs 200W)
Score
Benchmark
FP32 (float)
Radeon HD 7950
+5%
2.867 TFLOPS
Radeon HD 5870
2.72 TFLOPS
Radeon HD 7950
VS
Radeon HD 5870
Graphics Card
Jan 2012
Release Date
Sep 2009
Southern Islands
Generation
Evergreen
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1250 MHz
Memory Clock
1200 MHz
Memory
3GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
256bit
240.0GB/s
Bandwidth
153.6GB/s
Render Config
-
SM Count
-
28
Compute Units
20
1792
Shading Units
1600
112
TMUs
80
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
25.60 GPixel/s
Pixel Rate
27.20 GPixel/s
89.60 GTexel/s
Texture Rate
68.00 GTexel/s
-
FP16 (half)
-
2.867 TFLOPS
FP32 (float)
2.720 TFLOPS
716.8 GFLOPS
FP64 (double)
544.0 GFLOPS
Graphics Processor
Tahiti
GPU Name
Cypress
Tahiti PRO (215-0821056)
GPU Variant
Cypress XT (215-0735033)
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
188W
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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