Home GPU Comparison AMD Radeon HD 7950 vs AMD Radeon HD 7720 OEM

AMD Radeon HD 7950 vs AMD Radeon HD 7720 OEM

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7950 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 7950 's Advantages
More VRAM (3GB vs 1024GB)
Larger VRAM bandwidth (240.0GB/s vs 134.4GB/s)
992 additional rendering cores
AMD Radeon HD 7720 OEM 's Advantages
Released 1 years and 2 months late
Lower TDP (150W vs 200W)

Score

Benchmark

FP32 (float)
Radeon HD 7950 +113%
2.867 TFLOPS
Radeon HD 7720 OEM
1.344 TFLOPS
VS

Graphics Card

Jan 2012
Release Date
Mar 2013
Southern Islands
Generation
Southern Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16

Clock Speeds

-
-
-
-
-
-
1250 MHz
Memory Clock
1050 MHz

Memory

3GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
256bit
240.0GB/s
Bandwidth
134.4GB/s

Render Config

28
Compute Units
10
-
-
-
1792
Shading Units
800
112
TMUs
40
32
ROPs
32
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
8 KB (per CU)
768 KB
L2 Cache
512 KB
-
-
-

Theoretical Performance

25.60 GPixel/s
Pixel Rate
26.88 GPixel/s
89.60 GTexel/s
Texture Rate
33.60 GTexel/s
-
-
-
2.867 TFLOPS
FP32 (float)
1344 GFLOPS
716.8 GFLOPS
FP64 (double)
-

Board Design

200W
TDP
150W
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
-

Graphics Processor

Tahiti
GPU Name
Barts
Tahiti PRO (215-0821056)
GPU Variant
Barts LE (215-0798002)
GCN 1.0
Architecture
TeraScale 2
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
4.313 billion
Transistors
1.7 billion
352 mm²
Die Size
255 mm²

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
-
-
-
5.1
Shader Model
5.0

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