AMD Radeon HD 6450 vs AMD FireStream 9250
We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 6450 and 1024MB VRAM FireStream 9250 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 6450 's Advantages
Released 2 years and 10 months late
Lower TDP (18W vs 150W)
AMD FireStream 9250 's Advantages
More VRAM (1024GB vs 512GB)
Larger VRAM bandwidth (63.55GB/s vs 25.60GB/s)
640 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 6450
0.2 TFLOPS
FireStream 9250
+400%
1 TFLOPS
Graphics Card
Apr 2011
Release Date
Jun 2008
Northern Islands
Generation
FireStream
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
-
-
-
-
-
800 MHz
Memory Clock
993 MHz
Memory
512MB
Memory Size
1024MB
GDDR5
Memory Type
GDDR3
64bit
Memory Bus
256bit
25.60GB/s
Bandwidth
63.55GB/s
Render Config
2
Compute Units
10
-
-
-
160
Shading Units
800
8
TMUs
40
4
ROPs
16
-
-
-
-
-
-
8 KB (per CU)
L1 Cache
16 KB (per CU)
128 KB
L2 Cache
256 KB
-
-
-
Theoretical Performance
2.500 GPixel/s
Pixel Rate
10.00 GPixel/s
5.000 GTexel/s
Texture Rate
25.00 GTexel/s
-
-
-
200.0 GFLOPS
FP32 (float)
1000 GFLOPS
-
FP64 (double)
200.0 GFLOPS
Board Design
18W
TDP
150W
200 W
Suggested PSU
450 W
1x DVI
1x HDMI 1.3a
1x VGA
Outputs
1x DVI
None
Power Connectors
1x 6-pin
Graphics Processor
Caicos
GPU Name
RV770
Caicos PRO
GPU Variant
RV770 PRO
TeraScale 2
Architecture
TeraScale
TSMC
Foundry
TSMC
40 nm
Process Size
55 nm
0.37 billion
Transistors
0.956 billion
67 mm²
Die Size
256 mm²
Graphics Features
11.2 (11_0)
DirectX
10.1 (10_1)
4.4
OpenGL
3.3
1.2
OpenCL
1.1
N/A
Vulkan
N/A
-
-
-
5.0
Shader Model
4.1
