Home GPU Comparison AMD Radeon R9 280X2 vs ATI Radeon HD 4830

AMD Radeon R9 280X2 vs ATI Radeon HD 4830

We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 280X2 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 R9 280X2 's Advantages
Boost Clock1000MHz
More VRAM (3GB vs 512GB)
Larger VRAM bandwidth (288.0GB/s vs 57.60GB/s)
1408 additional rendering cores
ATI Radeon HD 4830 's Advantages
Lower TDP (95W vs 375W)

Score

Benchmark

FP32 (float)
Radeon R9 280X2 +456%
4.096 TFLOPS
Radeon HD 4830
0.736 TFLOPS
VS

Graphics Card

Unknown
Release Date
Oct 2008
Volcanic Islands
Generation
Radeon R700
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16

Clock Speeds

950 MHz
Base Clock
-
1000 MHz
Boost Clock
-
1500 MHz
Memory Clock
900 MHz

Memory

3GB
Memory Size
512MB
GDDR5
Memory Type
GDDR3
384bit
Memory Bus
256bit
288.0GB/s
Bandwidth
57.60GB/s

Render Config

32
Compute Units
8
-
-
-
2048
Shading Units
640
128
TMUs
32
32
ROPs
16
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
768 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

32.00 GPixel/s
Pixel Rate
9.200 GPixel/s
128.0 GTexel/s
Texture Rate
18.40 GTexel/s
-
-
-
4.096 TFLOPS
FP32 (float)
736.0 GFLOPS
1024 GFLOPS
FP64 (double)
147.2 GFLOPS

Board Design

375W
TDP
95W
750 W
Suggested PSU
250 W
6x mini-DisplayPort 1.2
Outputs
2x DVI 1x S-Video
3x 8-pin
Power Connectors
1x 6-pin

Graphics Processor

Tahiti
GPU Name
RV770
Tahiti XTL (215-0821065)
GPU Variant
RV770 LE (215-0669075)
GCN 1.0
Architecture
TeraScale
TSMC
Foundry
TSMC
28 nm
Process Size
55 nm
4.313 billion
Transistors
0.956 billion
352 mm²
Die Size
256 mm²

Graphics Features

12 (11_1)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
1.2
OpenCL
1.1
1.2
Vulkan
N/A
-
-
-
5.1
Shader Model
4.1

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