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GPU Comparison
AMD Radeon HD 6970 X2 vs AMD Radeon HD 7720 OEM
AMD Radeon HD 6970 X2 vs AMD Radeon HD 7720 OEM
VS
AMD Radeon HD 6970 X2
AMD Radeon HD 7720 OEM
We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6970 X2 and 1024MB VRAM Radeon HD 7720 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 6970 X2 's Advantages
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (176.0GB/s vs 134.4GB/s)
736 additional rendering cores
AMD Radeon HD 7720 OEM 's Advantages
Lower TDP (150W vs 375W)
Score
Benchmark
FP32 (float)
Radeon HD 6970 X2
+101%
2.703 TFLOPS
Radeon HD 7720 OEM
1.344 TFLOPS
Radeon HD 6970 X2
VS
Radeon HD 7720 OEM
Graphics Card
Unknown
Release Date
Mar 2013
Northern Islands
Generation
Southern Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
-
-
-
-
-
1375 MHz
Memory Clock
1050 MHz
Memory
2GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
256bit
176.0GB/s
Bandwidth
134.4GB/s
Render Config
24
Compute Units
10
-
-
-
1536
Shading Units
800
96
TMUs
40
32
ROPs
32
-
-
-
-
-
-
8 KB (per CU)
L1 Cache
8 KB (per CU)
512 KB
L2 Cache
512 KB
-
-
-
Theoretical Performance
28.16 GPixel/s
Pixel Rate
26.88 GPixel/s
84.48 GTexel/s
Texture Rate
33.60 GTexel/s
-
-
-
2.703 TFLOPS
FP32 (float)
1344 GFLOPS
-
-
-
Board Design
375W
TDP
150W
750 W
Suggested PSU
450 W
2x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
Outputs
2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1
3x 8-pin
Power Connectors
-
Graphics Processor
Antilles
GPU Name
Barts
Antilles XT (215-0807027)
GPU Variant
Barts LE (215-0798002)
TeraScale 3
Architecture
TeraScale 2
TSMC
Foundry
TSMC
40 nm
Process Size
40 nm
2.64 billion
Transistors
1.7 billion
389 mm²
Die Size
255 mm²
Graphics Features
11.2 (11_0)
DirectX
11.2 (11_0)
4.4
OpenGL
4.4
1.2
OpenCL
1.2
N/A
Vulkan
N/A
-
-
-
5.0
Shader Model
5.0
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4
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7
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8
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9
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10
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