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GPU Comparison
AMD Radeon HD 8490 OEM vs AMD Radeon HD 7450 OEM
AMD Radeon HD 8490 OEM vs AMD Radeon HD 7450 OEM
VS
AMD Radeon HD 8490 OEM
AMD Radeon HD 7450 OEM
We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 8490 OEM and 512MB VRAM Radeon HD 7450 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 8490 OEM 's Advantages
Released 1 years and 6 months late
More VRAM (1024GB vs 512GB)
Larger VRAM bandwidth (14.40GB/s vs 8.528GB/s)
AMD Radeon HD 7450 OEM 's Advantages
Lower TDP (18W vs 35W)
Score
Benchmark
FP32 (float)
Radeon HD 8490 OEM
+40%
0.28 TFLOPS
Radeon HD 7450 OEM
0.2 TFLOPS
Radeon HD 8490 OEM
VS
Radeon HD 7450 OEM
Graphics Card
Jul 2013
Release Date
Jan 2012
Sea Islands
Generation
Southern Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
900 MHz
Memory Clock
533 MHz
Memory
1024MB
Memory Size
512MB
DDR3
Memory Type
GDDR3
64bit
Memory Bus
64bit
14.40GB/s
Bandwidth
8.528GB/s
Render Config
-
SM Count
-
2
Compute Units
2
160
Shading Units
160
8
TMUs
8
4
ROPs
4
-
Tensor Cores
-
-
RT Cores
-
8 KB (per CU)
L1 Cache
8 KB (per CU)
128 KB
L2 Cache
128 KB
Theoretical Performance
3.500 GPixel/s
Pixel Rate
2.500 GPixel/s
7.000 GTexel/s
Texture Rate
5.000 GTexel/s
-
FP16 (half)
-
280.0 GFLOPS
FP32 (float)
200.0 GFLOPS
-
FP64 (double)
-
Graphics Processor
Caicos
GPU Name
Caicos
Caicos XTX
GPU Variant
Caimour
TeraScale 2
Architecture
TeraScale 2
TSMC
Foundry
TSMC
40 nm
Process Size
40 nm
0.37 billion
Transistors
0.37 billion
67 mm²
Die Size
67 mm²
Board Design
35W
TDP
18W
200 W
Suggested PSU
200 W
1x DVI 1x DisplayPort 1.1
Outputs
1x DVI 1x HDMI 1.3a
None
Power Connectors
None
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
-
CUDA
-
5.0
Shader Model
5.0
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