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GPU Comparison
AMD Radeon HD 7720 OEM vs AMD Radeon HD 6990
AMD Radeon HD 7720 OEM vs AMD Radeon HD 6990
VS
AMD Radeon HD 7720 OEM
AMD Radeon HD 6990
We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 7720 OEM and 2GB VRAM Radeon HD 6990 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 7720 OEM 's Advantages
Released 2 years late
Lower TDP (150W vs 375W)
AMD Radeon HD 6990 's Advantages
More VRAM (2GB vs 1GB)
Larger VRAM bandwidth (160.0GB/s vs 134.4GB/s)
736 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 7720 OEM
1.344 TFLOPS
Radeon HD 6990
+89%
2.55 TFLOPS
Radeon HD 7720 OEM
VS
Radeon HD 6990
Graphics Card
Mar 2013
Release Date
Mar 2011
Southern Islands
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1050 MHz
Memory Clock
1250 MHz
Memory
1024MB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
256bit
134.4GB/s
Bandwidth
160.0GB/s
Render Config
-
SM Count
-
10
Compute Units
24
800
Shading Units
1536
40
TMUs
96
32
ROPs
32
-
Tensor Cores
-
-
RT Cores
-
8 KB (per CU)
L1 Cache
8 KB (per CU)
512 KB
L2 Cache
512 KB
Theoretical Performance
26.88 GPixel/s
Pixel Rate
26.56 GPixel/s
33.60 GTexel/s
Texture Rate
79.68 GTexel/s
-
FP16 (half)
-
1344 GFLOPS
FP32 (float)
2.550 TFLOPS
-
FP64 (double)
637.4 GFLOPS
Graphics Processor
Barts
GPU Name
Antilles
Barts LE (215-0798002)
GPU Variant
Antilles XT (215-0807027)
TeraScale 2
Architecture
TeraScale 3
TSMC
Foundry
TSMC
40 nm
Process Size
40 nm
1.7 billion
Transistors
2.64 billion
255 mm²
Die Size
389 mm²
Board Design
150W
TDP
375W
450 W
Suggested PSU
750 W
2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1
Outputs
1x DVI 4x mini-DisplayPort 1.2
-
Power Connectors
2x 8-pin
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
-
CUDA
-
5.0
Shader Model
5.0
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