Radeon HD 6450 OEM vs Radeon HD 7950 Boost
We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 6450 OEM and 3GB VRAM Radeon HD 7950 Boost to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon HD 6450 OEM 's Advantages
Lower TDP (18W vs 200W)
Radeon HD 7950 Boost 's Advantages
Released 1 years and 4 months late
Boost Clock925MHz
More VRAM (3GB vs 512GB)
Larger VRAM bandwidth (240.0GB/s vs 8.528GB/s)
1632 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 6450 OEM
200
Radeon HD 7950 Boost
+1557%
3315
Graphics Card
Feb 2011
Release Date
Jun 2012
Northern Islands
Generation
Southern Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
850 MHz
-
Boost Clock
925 MHz
533 MHz
Memory Clock
1250 MHz
Memory
512MB
Memory Size
3GB
GDDR3
Memory Type
GDDR5
64bit
Memory Bus
384bit
8.528GB/s
Bandwidth
240.0GB/s
Render Config
2
Compute Units
28
160
Shading Units
1792
8
TMUs
112
4
ROPs
32
8 KB (per CU)
L1 Cache
16 KB (per CU)
128 KB
L2 Cache
768 KB
Theoretical Performance
2.500 GPixel/s
Pixel Rate
29.60 GPixel/s
5.000 GTexel/s
Texture Rate
103.6 GTexel/s
200.0 GFLOPS
FP32 (float)
3.315 TFLOPS
-
FP64 (double)
828.8 GFLOPS
Board Design
18W
TDP
200W
200 W
Suggested PSU
550 W
1x DVI
1x HDMI 1.3a
1x VGA
Outputs
1x DVI
1x HDMI 1.4a
2x mini-DisplayPort 1.2
None
Power Connectors
2x 6-pin
Graphics Processor
Caicos
GPU Name
Tahiti
Junbonator
GPU Variant
Tahiti PRO2
(215-0821282)
TeraScale 2
Architecture
GCN 1.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
0.37 billion
Transistors
4.313 billion
67 mm²
Die Size
352 mm²
Graphics Features
11.2 (11_0)
DirectX
12 (11_1)
4.4
OpenGL
4.6
1.2
OpenCL
1.2
N/A
Vulkan
1.2
5.0
Shader Model
5.1
