AMD FireStream 9270 vs ATI Radeon HD 5770 Mac Edition
We compared two Desktop platform GPUs: 2GB VRAM FireStream 9270 and 1024MB VRAM Radeon HD 5770 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD FireStream 9270 's Advantages
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (115.2GB/s vs 76.48GB/s)
ATI Radeon HD 5770 Mac Edition 's Advantages
Released 1 years and 8 months late
Lower TDP (108W vs 160W)
Score
Benchmark
FP32 (float)
FireStream 9270
1.2 TFLOPS
Radeon HD 5770 Mac Edition
+13%
1.36 TFLOPS
Graphics Card
Nov 2008
Release Date
Jul 2010
FireStream
Generation
Evergreen
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
-
-
-
-
-
900 MHz
Memory Clock
1195 MHz
Memory
2GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
128bit
115.2GB/s
Bandwidth
76.48GB/s
Render Config
10
Compute Units
10
-
-
-
800
Shading Units
800
40
TMUs
40
16
ROPs
16
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
8 KB (per CU)
256 KB
L2 Cache
256 KB
-
-
-
Theoretical Performance
12.00 GPixel/s
Pixel Rate
13.60 GPixel/s
30.00 GTexel/s
Texture Rate
34.00 GTexel/s
-
-
-
1200 GFLOPS
FP32 (float)
1360 GFLOPS
240.0 GFLOPS
FP64 (double)
-
Board Design
160W
TDP
108W
450 W
Suggested PSU
300 W
1x DVI
Outputs
1x DVI
1x DisplayPort 1.1
2x 6-pin
Power Connectors
1x 6-pin
Graphics Processor
RV770
GPU Name
Juniper
RV770 XT
GPU Variant
Juniper XT
(215-0754013)
TeraScale
Architecture
TeraScale 2
TSMC
Foundry
TSMC
55 nm
Process Size
40 nm
0.956 billion
Transistors
1.04 billion
256 mm²
Die Size
166 mm²
Graphics Features
10.1 (10_1)
DirectX
11.2 (11_0)
3.3
OpenGL
4.4
1.1
OpenCL
1.2
N/A
Vulkan
N/A
-
-
-
4.1
Shader Model
5.0
