Radeon HD 7450 OEM vs Radeon HD 6950
We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 7450 OEM and 2GB VRAM Radeon HD 6950 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon HD 7450 OEM 's Advantages
Released 1 years and 1 months late
Lower TDP (18W vs 200W)
Radeon HD 6950 's Advantages
More VRAM (2GB vs 512GB)
Larger VRAM bandwidth (160.0GB/s vs 8.528GB/s)
1248 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 7450 OEM
200
Radeon HD 6950
+1026%
2253
Graphics Card
Jan 2012
Release Date
Dec 2010
Southern Islands
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
533 MHz
Memory Clock
1250 MHz
Memory
512MB
Memory Size
2GB
GDDR3
Memory Type
GDDR5
64bit
Memory Bus
256bit
8.528GB/s
Bandwidth
160.0GB/s
Render Config
2
Compute Units
22
160
Shading Units
1408
8
TMUs
88
4
ROPs
32
8 KB (per CU)
L1 Cache
8 KB (per CU)
128 KB
L2 Cache
512 KB
Theoretical Performance
2.500 GPixel/s
Pixel Rate
25.60 GPixel/s
5.000 GTexel/s
Texture Rate
70.40 GTexel/s
200.0 GFLOPS
FP32 (float)
2.253 TFLOPS
-
FP64 (double)
563.2 GFLOPS
Board Design
18W
TDP
200W
200 W
Suggested PSU
550 W
1x DVI
1x HDMI 1.3a
Outputs
2x DVI
1x HDMI 1.4a
2x mini-DisplayPort 1.2
None
Power Connectors
2x 6-pin
Graphics Processor
Caicos
GPU Name
Cayman
Caimour
GPU Variant
Cayman PRO
(215-0807019)
TeraScale 2
Architecture
TeraScale 3
TSMC
Foundry
TSMC
40 nm
Process Size
40 nm
0.37 billion
Transistors
2.64 billion
67 mm²
Die Size
389 mm²
Graphics Features
11.2 (11_0)
DirectX
11.2 (11_0)
4.4
OpenGL
4.4
1.2
OpenCL
1.2
N/A
Vulkan
N/A
5.0
Shader Model
5.0
