Home GPU Comparison AMD Radeon HD 7950 Mac Edition vs ATI Radeon HD 4520

AMD Radeon HD 7950 Mac Edition vs ATI Radeon HD 4520

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7950 Mac Edition and 512MB VRAM Radeon HD 4520 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7950 Mac Edition 's Advantages
Released 3 years and 3 months late
More VRAM (3GB vs 512GB)
Larger VRAM bandwidth (240.0GB/s vs 6.400GB/s)
1712 additional rendering cores
ATI Radeon HD 4520 's Advantages
Lower TDP (25W vs 200W)

Score

Benchmark

FP32 (float)
Radeon HD 7950 Mac Edition +2886%
2.867 TFLOPS
Radeon HD 4520
0.096 TFLOPS
VS

Graphics Card

Mar 2013
Release Date
Dec 2009
Southern Islands
Generation
Radeon R700
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16

Clock Speeds

-
-
-
-
-
-
1250 MHz
Memory Clock
400 MHz

Memory

3GB
Memory Size
512MB
GDDR5
Memory Type
DDR2
384bit
Memory Bus
64bit
240.0GB/s
Bandwidth
6.400GB/s

Render Config

28
Compute Units
1
-
-
-
1792
Shading Units
80
112
TMUs
8
32
ROPs
4
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
768 KB
L2 Cache
64 KB
-
-
-

Theoretical Performance

25.60 GPixel/s
Pixel Rate
2.400 GPixel/s
89.60 GTexel/s
Texture Rate
4.800 GTexel/s
-
-
-
2.867 TFLOPS
FP32 (float)
96.00 GFLOPS
716.8 GFLOPS
FP64 (double)
-

Board Design

200W
TDP
25W
550 W
Suggested PSU
200 W
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
Outputs
1x DVI 1x HDMI 1.3a 1x DisplayPort 1.0
2x 6-pin
Power Connectors
None

Graphics Processor

Tahiti
GPU Name
RV710
Tahiti PRO (215-0821056)
GPU Variant
RV710 (215-0725016)
GCN 1.0
Architecture
TeraScale
TSMC
Foundry
TSMC
28 nm
Process Size
55 nm
4.313 billion
Transistors
0.242 billion
352 mm²
Die Size
73 mm²

Graphics Features

12 (11_1)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
1.2
OpenCL
1.1
1.2
Vulkan
N/A
-
-
-
5.1
Shader Model
4.1

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