Home Comparison Radeon R9 280 vs GeForce 6800 XT

Radeon R9 280 vs GeForce 6800 XT

We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 280 and 256MB VRAM GeForce 6800 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

Radeon R9 280 's Advantages
Released 8 years and 6 months late
Boost Clock933MHz
More VRAM (3GB vs 256GB)
Larger VRAM bandwidth (240.0GB/s vs 38.40GB/s)
1792 additional rendering cores

Score

Graphics Card

Mar 2014
Release Date
Sep 2005
Volcanic Islands
Generation
GeForce 6 AGP
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
AGP 8x

Clock Speeds

827 MHz
Base Clock
-
933 MHz
Boost Clock
-
1250 MHz
Memory Clock
600 MHz

Memory

3GB
Memory Size
256MB
GDDR5
Memory Type
GDDR3
384bit
Memory Bus
256bit
240.0GB/s
Bandwidth
38.40GB/s

Render Config

28
Compute Units
-
1792
Shading Units
-
112
TMUs
12
32
ROPs
8
16 KB (per CU)
L1 Cache
-
768 KB
L2 Cache
-

Theoretical Performance

29.86 GPixel/s
Pixel Rate
3.600 GPixel/s
104.5 GTexel/s
Texture Rate
5.400 GTexel/s
3.344 TFLOPS
FP32 (float)
-
836.0 GFLOPS
FP64 (double)
-

Board Design

200W
TDP
Unknown
550 W
Suggested PSU
200 W
1x DVI 2x HDMI 1.4a 1x DisplayPort 1.2
Outputs
1x DVI 1x VGA 1x S-Video
1x 6-pin + 1x 8-pin
Power Connectors
1x Molex

Graphics Processor

Tahiti
GPU Name
NV42
Tahiti PRO3 (215-0821330)
GPU Variant
6800 XT
GCN 1.0
Architecture
Curie
TSMC
Foundry
TSMC
28 nm
Process Size
110 nm
4.313 billion
Transistors
0.202 billion
352 mm²
Die Size
222 mm²

Graphics Features

12 (11_1)
DirectX
9.0c (9_3)
4.6
OpenGL
2.0 (full) 2.1 (partial)
1.2
OpenCL
N/A
1.2
Vulkan
N/A
5.1
Shader Model
3.0
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