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GPU Comparison
ATI Radeon HD 5770 X2 vs AMD Radeon HD 7950
ATI Radeon HD 5770 X2 vs AMD Radeon HD 7950
VS
ATI Radeon HD 5770 X2
AMD Radeon HD 7950
We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 5770 X2 and 3GB VRAM Radeon HD 7950 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 7950 's Advantages
Released 1 years and 3 months late
More VRAM (3GB vs 1GB)
Larger VRAM bandwidth (240.0GB/s vs 76.80GB/s)
992 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 5770 X2
1.36 TFLOPS
Radeon HD 7950
+110%
2.867 TFLOPS
Radeon HD 5770 X2
VS
Radeon HD 7950
Graphics Card
Oct 2010
Release Date
Jan 2012
Evergreen
Generation
Southern Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1200 MHz
Memory Clock
1250 MHz
Memory
1024MB
Memory Size
3GB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
384bit
76.80GB/s
Bandwidth
240.0GB/s
Render Config
-
SM Count
-
10
Compute Units
28
800
Shading Units
1792
40
TMUs
112
16
ROPs
32
-
Tensor Cores
-
-
RT Cores
-
8 KB (per CU)
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
768 KB
Theoretical Performance
13.60 GPixel/s
Pixel Rate
25.60 GPixel/s
34.00 GTexel/s
Texture Rate
89.60 GTexel/s
-
FP16 (half)
-
1360 GFLOPS
FP32 (float)
2.867 TFLOPS
-
FP64 (double)
716.8 GFLOPS
Graphics Processor
Juniper
GPU Name
Tahiti
Juniper XT (215-0754013)
GPU Variant
Tahiti PRO (215-0821056)
TeraScale 2
Architecture
GCN 1.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
1.04 billion
Transistors
4.313 billion
166 mm²
Die Size
352 mm²
Board Design
Unknown
TDP
200W
200 W
Suggested PSU
550 W
2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1
Outputs
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
-
Power Connectors
2x 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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