Home GPU Comparison AMD Radeon HD 6450 OEM vs ATI Radeon HD 4830

AMD Radeon HD 6450 OEM vs ATI Radeon HD 4830

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 6450 OEM and 512MB VRAM Radeon HD 4830 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6450 OEM 's Advantages
Released 2 years and 4 months late
Lower TDP (18W vs 95W)
ATI Radeon HD 4830 's Advantages
Larger VRAM bandwidth (57.60GB/s vs 8.528GB/s)
480 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon HD 6450 OEM
0.2 TFLOPS
Radeon HD 4830 +268%
0.736 TFLOPS
VS

Graphics Card

Feb 2011
Release Date
Oct 2008
Northern Islands
Generation
Radeon R700
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16

Clock Speeds

-
-
-
-
-
-
533 MHz
Memory Clock
900 MHz

Memory

512MB
Memory Size
512MB
GDDR3
Memory Type
GDDR3
64bit
Memory Bus
256bit
8.528GB/s
Bandwidth
57.60GB/s

Render Config

2
Compute Units
8
-
-
-
160
Shading Units
640
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
9.200 GPixel/s
5.000 GTexel/s
Texture Rate
18.40 GTexel/s
-
-
-
200.0 GFLOPS
FP32 (float)
736.0 GFLOPS
-
FP64 (double)
147.2 GFLOPS

Board Design

18W
TDP
95W
200 W
Suggested PSU
250 W
1x DVI 1x HDMI 1.3a 1x VGA
Outputs
2x DVI 1x S-Video
None
Power Connectors
1x 6-pin

Graphics Processor

Caicos
GPU Name
RV770
Junbonator
GPU Variant
RV770 LE (215-0669075)
TeraScale 2
Architecture
TeraScale
TSMC
Foundry
TSMC
40 nm
Process Size
55 nm
0.37 billion
Transistors
0.956 billion
67 mm²
Die Size
256 mm²

Graphics Features

11.2 (11_0)
DirectX
10.1 (10_1)
4.4
OpenGL
3.3
1.2
OpenCL
1.1
N/A
Vulkan
N/A
-
-
-
5.0
Shader Model
4.1

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