Home GPU Comparison AMD Radeon HD 7950 vs ATI Radeon HD 4730 OEM

AMD Radeon HD 7950 vs ATI Radeon HD 4730 OEM

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7950 and 1024MB VRAM Radeon HD 4730 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7950 's Advantages
Released 3 years and 1 months late
More VRAM (3GB vs 1024GB)
Larger VRAM bandwidth (240.0GB/s vs 25.34GB/s)
1472 additional rendering cores
ATI Radeon HD 4730 OEM 's Advantages
Lower TDP (110W vs 200W)

Score

Benchmark

FP32 (float)
Radeon HD 7950 +569%
2.867 TFLOPS
Radeon HD 4730 OEM
0.428 TFLOPS
VS

Graphics Card

Jan 2012
Release Date
Dec 2008
Southern Islands
Generation
Radeon R700
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16

Clock Speeds

-
-
-
-
-
-
1250 MHz
Memory Clock
396 MHz

Memory

3GB
Memory Size
1024MB
GDDR5
Memory Type
DDR2
384bit
Memory Bus
256bit
240.0GB/s
Bandwidth
25.34GB/s

Render Config

28
Compute Units
4
-
-
-
1792
Shading Units
320
112
TMUs
16
32
ROPs
16
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
-
768 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

25.60 GPixel/s
Pixel Rate
10.70 GPixel/s
89.60 GTexel/s
Texture Rate
10.70 GTexel/s
-
-
-
2.867 TFLOPS
FP32 (float)
428.2 GFLOPS
716.8 GFLOPS
FP64 (double)
85.63 GFLOPS

Board Design

200W
TDP
110W
550 W
Suggested PSU
300 W
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
Outputs
2x DVI 1x S-Video
2x 6-pin
Power Connectors
-

Graphics Processor

Tahiti
GPU Name
RV670
Tahiti PRO (215-0821056)
GPU Variant
-
GCN 1.0
Architecture
TeraScale
TSMC
Foundry
TSMC
28 nm
Process Size
55 nm
4.313 billion
Transistors
0.666 billion
352 mm²
Die Size
192 mm²

Graphics Features

12 (11_1)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3 (full) 4.0 (partial)
1.2
OpenCL
N/A
1.2
Vulkan
N/A
-
-
-
5.1
Shader Model
4.1

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