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GPU Comparison
ATI Radeon HD 4670 X2 vs AMD Radeon HD 6450 OEM
ATI Radeon HD 4670 X2 vs AMD Radeon HD 6450 OEM
VS
ATI Radeon HD 4670 X2
AMD Radeon HD 6450 OEM
We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4670 X2 and 512MB VRAM Radeon HD 6450 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
ATI Radeon HD 4670 X2 's Advantages
Larger VRAM bandwidth (22.40GB/s vs 8.528GB/s)
160 additional rendering cores
AMD Radeon HD 6450 OEM 's Advantages
Released 2 years and 5 months late
Lower TDP (18W vs 118W)
Score
Benchmark
FP32 (float)
Radeon HD 4670 X2
+140%
0.48 TFLOPS
Radeon HD 6450 OEM
0.2 TFLOPS
Radeon HD 4670 X2
VS
Radeon HD 6450 OEM
Graphics Card
Sep 2008
Release Date
Feb 2011
Radeon R700
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
700 MHz
Memory Clock
533 MHz
Memory
512MB
Memory Size
512MB
GDDR3
Memory Type
GDDR3
128bit
Memory Bus
64bit
22.40GB/s
Bandwidth
8.528GB/s
Render Config
-
SM Count
-
4
Compute Units
2
320
Shading Units
160
32
TMUs
8
8
ROPs
4
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
8 KB (per CU)
128 KB
L2 Cache
128 KB
Theoretical Performance
6.000 GPixel/s
Pixel Rate
2.500 GPixel/s
24.00 GTexel/s
Texture Rate
5.000 GTexel/s
-
FP16 (half)
-
480.0 GFLOPS
FP32 (float)
200.0 GFLOPS
-
FP64 (double)
-
Graphics Processor
RV730
GPU Name
Caicos
RV730 XT (215-0719047)
GPU Variant
Junbonator
TeraScale
Architecture
TeraScale 2
TSMC
Foundry
TSMC
55 nm
Process Size
40 nm
0.514 billion
Transistors
0.37 billion
146 mm²
Die Size
67 mm²
Board Design
118W
TDP
18W
300 W
Suggested PSU
200 W
4x DVI
Outputs
1x DVI 1x HDMI 1.3a 1x VGA
1x 6-pin
Power Connectors
None
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
-
CUDA
-
4.1
Shader Model
5.0
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