Home GPU Comparison AMD Radeon HD 8870 OEM vs AMD FireStream 9270

AMD Radeon HD 8870 OEM vs AMD FireStream 9270

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 8870 OEM and 2GB VRAM FireStream 9270 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8870 OEM 's Advantages
Released 4 years and 2 months late
Larger VRAM bandwidth (153.6GB/s vs 115.2GB/s)
480 additional rendering cores
AMD FireStream 9270 's Advantages
Lower TDP (160W vs 175W)

Score

Benchmark

FP32 (float)
Radeon HD 8870 OEM +113%
2.56 TFLOPS
FireStream 9270
1.2 TFLOPS
VS

Graphics Card

Jan 2013
Release Date
Nov 2008
Sea Islands
Generation
FireStream
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16

Clock Speeds

-
-
-
-
-
-
1200 MHz
Memory Clock
900 MHz

Memory

2GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
256bit
153.6GB/s
Bandwidth
115.2GB/s

Render Config

20
Compute Units
10
-
-
-
1280
Shading Units
800
80
TMUs
40
32
ROPs
16
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

32.00 GPixel/s
Pixel Rate
12.00 GPixel/s
80.00 GTexel/s
Texture Rate
30.00 GTexel/s
-
-
-
2.560 TFLOPS
FP32 (float)
1200 GFLOPS
160.0 GFLOPS
FP64 (double)
240.0 GFLOPS

Board Design

175W
TDP
160W
450 W
Suggested PSU
450 W
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
Outputs
1x DVI
2x 6-pin
Power Connectors
2x 6-pin

Graphics Processor

Pitcairn
GPU Name
RV770
Pitcairn XT (215-0828047)
GPU Variant
RV770 XT
GCN 1.0
Architecture
TeraScale
TSMC
Foundry
TSMC
28 nm
Process Size
55 nm
2.8 billion
Transistors
0.956 billion
212 mm²
Die Size
256 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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