Home GPU Comparison ATI Radeon HD 5670 vs AMD Radeon HD 8870 OEM

ATI Radeon HD 5670 vs AMD Radeon HD 8870 OEM

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 5670 and 2GB VRAM Radeon HD 8870 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 5670 's Advantages
Lower TDP (64W vs 175W)
AMD Radeon HD 8870 OEM 's Advantages
Released 3 years late
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (153.6GB/s vs 64.00GB/s)
880 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon HD 5670
0.62 TFLOPS
Radeon HD 8870 OEM +312%
2.56 TFLOPS
VS

Graphics Card

Jan 2010
Release Date
Jan 2013
Evergreen
Generation
Sea Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

-
-
-
-
-
-
1000 MHz
Memory Clock
1200 MHz

Memory

1024MB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
256bit
64.00GB/s
Bandwidth
153.6GB/s

Render Config

5
Compute Units
20
-
-
-
400
Shading Units
1280
20
TMUs
80
8
ROPs
32
-
-
-
-
-
-
8 KB (per CU)
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
512 KB
-
-
-

Theoretical Performance

6.200 GPixel/s
Pixel Rate
32.00 GPixel/s
15.50 GTexel/s
Texture Rate
80.00 GTexel/s
-
-
-
620.0 GFLOPS
FP32 (float)
2.560 TFLOPS
-
FP64 (double)
160.0 GFLOPS

Board Design

64W
TDP
175W
250 W
Suggested PSU
450 W
1x DVI 1x HDMI 1.3a 1x VGA
Outputs
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
None
Power Connectors
2x 6-pin

Graphics Processor

Redwood
GPU Name
Pitcairn
Redwood XT (215-0757002)
GPU Variant
Pitcairn XT (215-0828047)
TeraScale 2
Architecture
GCN 1.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
0.627 billion
Transistors
2.8 billion
104 mm²
Die Size
212 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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