Home GPU Comparison AMD Radeon R9 280X vs AMD Radeon HD 6930

AMD Radeon R9 280X vs AMD Radeon HD 6930

AMD Radeon R9 280X
VS
AMD Radeon HD 6930
AMD Radeon R9 280X
AMD Radeon HD 6930
We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 280X and 1024MB VRAM Radeon HD 6930 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 280X 's Advantages
Released 1 years and 10 months late
Boost Clock1000MHz
More VRAM (3GB vs 1024GB)
Larger VRAM bandwidth (288.0GB/s vs 153.6GB/s)
768 additional rendering cores
AMD Radeon HD 6930 's Advantages
Lower TDP (186W vs 250W)

Score

Benchmark

FP32 (float)
Radeon R9 280X +113%
4.096 TFLOPS
Radeon HD 6930
1.92 TFLOPS
VS

Graphics Card

Oct 2013
Release Date
Dec 2011
Volcanic Islands
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16

Clock Speeds

850 MHz
Base Clock
-
1000 MHz
Boost Clock
-
1500 MHz
Memory Clock
1200 MHz

Memory

3GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
256bit
288.0GB/s
Bandwidth
153.6GB/s

Render Config

32
Compute Units
20
-
-
-
2048
Shading Units
1280
128
TMUs
80
32
ROPs
32
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
8 KB (per CU)
768 KB
L2 Cache
512 KB
-
-
-

Theoretical Performance

32.00 GPixel/s
Pixel Rate
24.00 GPixel/s
128.0 GTexel/s
Texture Rate
60.00 GTexel/s
-
-
-
4.096 TFLOPS
FP32 (float)
1.920 TFLOPS
1024 GFLOPS
FP64 (double)
480.0 GFLOPS

Board Design

250W
TDP
186W
600 W
Suggested PSU
450 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
2x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
1x 6-pin + 1x 8-pin
Power Connectors
2x 6-pin

Graphics Processor

Tahiti
GPU Name
Cayman
Tahiti XTL (215-0821065)
GPU Variant
Cayman CE (215-0807105)
GCN 1.0
Architecture
TeraScale 3
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
4.313 billion
Transistors
2.64 billion
352 mm²
Die Size
389 mm²

Graphics Features

12 (11_1)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
1.2
OpenCL
1.2
1.2
Vulkan
N/A
-
-
-
5.1
Shader Model
5.0

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