Radeon HD 3450 vs ATI Radeon HD 5950
We compared two Desktop platform GPUs: 256MB VRAM Radeon HD 3450 and 1024MB VRAM ATI Radeon HD 5950 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon HD 3450 Advantages
Lower TDP (25W vs 302W)
ATI Radeon HD 5950 Advantages
More VRAM (1024GB vs 256GB)
Larger VRAM bandwidth (128.0GB/s vs 8.000GB/s)
1400 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 3450
48
ATI Radeon HD 5950
+4250%
2088
Graphics Card
Dec 2007
Release Date
Unknown
Radeon R600
Generation
Evergreen
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
500 MHz
Memory Clock
1000 MHz
Memory
256MB
Memory Size
1024MB
DDR2
Memory Type
GDDR5
64bit
Memory Bus
256bit
8.000GB/s
Bandwidth
128.0GB/s
Render Config
2
Compute Units
18
40
Shading Units
1440
4
TMUs
72
4
ROPs
32
-
L1 Cache
8 KB (per CU)
64 KB
L2 Cache
512 KB
Theoretical Performance
2.400 GPixel/s
Pixel Rate
23.20 GPixel/s
2.400 GTexel/s
Texture Rate
52.20 GTexel/s
48.00 GFLOPS
FP32 (float)
2.088 TFLOPS
Board Design
25W
TDP
302W
200 W
Suggested PSU
700 W
1x DVI
1x VGA
1x S-Video
1x VGA
1x S-Video
Outputs
2x DVI
1x HDMI 1.3a
1x DisplayPort 1.1
1x HDMI 1.3a
1x DisplayPort 1.1
None
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Processor
RV620
GPU Name
Hemlock
RV620 LE
GPU Variant
Hemlock PRO
TeraScale
Architecture
TeraScale 2
TSMC
Foundry
TSMC
55 nm
Process Size
40 nm
0.181 billion
Transistors
2.154 billion
67 mm²
Die Size
334 mm²
Graphics Features
10.1 (10_1)
DirectX
11.2 (11_0)
3.3
OpenGL
4.4
N/A
OpenCL
1.2
N/A
Vulkan
N/A
4.1
Shader Model
5.0
