Home GPU Comparison ATI Radeon HD 5870 Mac Edition vs AMD Radeon HD 7950 Boost

ATI Radeon HD 5870 Mac Edition vs AMD Radeon HD 7950 Boost

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 5870 Mac Edition and 3GB VRAM Radeon HD 7950 Boost to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7950 Boost 's Advantages
Released 2 years late
Boost Clock925MHz
More VRAM (3GB vs 1024GB)
Larger VRAM bandwidth (240.0GB/s vs 153.0GB/s)
192 additional rendering cores
Lower TDP (200W vs 228W)

Score

Benchmark

FP32 (float)
Radeon HD 5870 Mac Edition
2.72 TFLOPS
Radeon HD 7950 Boost +21%
3.315 TFLOPS
VS

Graphics Card

Jun 2010
Release Date
Jun 2012
Evergreen
Generation
Southern Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

-
Base Clock
850 MHz
-
Boost Clock
925 MHz
1195 MHz
Memory Clock
1250 MHz

Memory

1024MB
Memory Size
3GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
384bit
153.0GB/s
Bandwidth
240.0GB/s

Render Config

20
Compute Units
28
-
-
-
1600
Shading Units
1792
80
TMUs
112
32
ROPs
32
-
-
-
-
-
-
8 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
768 KB
-
-
-

Theoretical Performance

27.20 GPixel/s
Pixel Rate
29.60 GPixel/s
68.00 GTexel/s
Texture Rate
103.6 GTexel/s
-
-
-
2.720 TFLOPS
FP32 (float)
3.315 TFLOPS
544.0 GFLOPS
FP64 (double)
828.8 GFLOPS

Board Design

228W
TDP
200W
550 W
Suggested PSU
550 W
1x DVI 2x mini-DisplayPort 1.1
Outputs
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
2x 6-pin
Power Connectors
2x 6-pin

Graphics Processor

Cypress
GPU Name
Tahiti
Cypress XT (215-0735033)
GPU Variant
Tahiti PRO2 (215-0821282)
TeraScale 2
Architecture
GCN 1.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
2.154 billion
Transistors
4.313 billion
334 mm²
Die Size
352 mm²

Graphics Features

11.2 (11_0)
DirectX
12 (11_1)
4.4
OpenGL
4.6
1.2
OpenCL
1.2
N/A
Vulkan
1.2
-
-
-
5.0
Shader Model
5.1

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