Home GPU Comparison AMD Radeon HD 6450 OEM vs AMD Radeon HD 8740 OEM

AMD Radeon HD 6450 OEM vs AMD Radeon HD 8740 OEM

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 6450 OEM and 1024MB VRAM Radeon HD 8740 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6450 OEM 's Advantages
Lower TDP (18W vs 55W)
AMD Radeon HD 8740 OEM 's Advantages
Released 2 years and 7 months late
More VRAM (1024GB vs 512GB)
Larger VRAM bandwidth (72.00GB/s vs 8.528GB/s)
352 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon HD 6450 OEM
0.2 TFLOPS
Radeon HD 8740 OEM +309%
0.819 TFLOPS
VS

Graphics Card

Feb 2011
Release Date
Sep 2013
Northern Islands
Generation
Sea Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

-
-
-
-
-
-
533 MHz
Memory Clock
1125 MHz

Memory

512MB
Memory Size
1024MB
GDDR3
Memory Type
GDDR5
64bit
Memory Bus
128bit
8.528GB/s
Bandwidth
72.00GB/s

Render Config

2
Compute Units
8
-
-
-
160
Shading Units
512
8
TMUs
32
4
ROPs
16
-
-
-
-
-
-
8 KB (per CU)
L1 Cache
16 KB (per CU)
128 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

2.500 GPixel/s
Pixel Rate
12.80 GPixel/s
5.000 GTexel/s
Texture Rate
25.60 GTexel/s
-
-
-
200.0 GFLOPS
FP32 (float)
819.2 GFLOPS
-
FP64 (double)
51.20 GFLOPS

Board Design

18W
TDP
55W
200 W
Suggested PSU
250 W
1x DVI 1x HDMI 1.3a 1x VGA
Outputs
1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
None
Power Connectors
None

Graphics Processor

Caicos
GPU Name
Cape Verde
Junbonator
GPU Variant
Cape Verde PRO
TeraScale 2
Architecture
GCN 1.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
0.37 billion
Transistors
1.5 billion
67 mm²
Die Size
123 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

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