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GPU Comparison
AMD Radeon HD 7970 vs ATI Radeon HD 5850
AMD Radeon HD 7970 vs ATI Radeon HD 5850
VS
AMD Radeon HD 7970
ATI Radeon HD 5850
We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 and 1024MB VRAM Radeon HD 5850 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 7970 's Advantages
Released 2 years and 3 months late
More VRAM (3GB vs 1GB)
Larger VRAM bandwidth (264.0GB/s vs 128.0GB/s)
608 additional rendering cores
ATI Radeon HD 5850 's Advantages
Lower TDP (151W vs 250W)
Score
Benchmark
FP32 (float)
Radeon HD 7970
+81%
3.789 TFLOPS
Radeon HD 5850
2.088 TFLOPS
Radeon HD 7970
VS
Radeon HD 5850
Graphics Card
Dec 2011
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
-
1375 MHz
Memory Clock
1000 MHz
Memory
3GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
256bit
264.0GB/s
Bandwidth
128.0GB/s
Render Config
-
SM Count
-
32
Compute Units
18
2048
Shading Units
1440
128
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
118.4 GTexel/s
Texture Rate
52.20 GTexel/s
-
FP16 (half)
-
3.789 TFLOPS
FP32 (float)
2.088 TFLOPS
947.2 GFLOPS
FP64 (double)
417.6 GFLOPS
Graphics Processor
Tahiti
GPU Name
Cypress
Tahiti XT (215-0821060)
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
250W
TDP
151W
600 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
1x 6-pin + 1x 8-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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