ATI Radeon HD 2600 XT Mac Edition vs AMD Radeon R9 285X
We compared two Desktop platform GPUs: 256MB VRAM Radeon HD 2600 XT Mac Edition and 3GB VRAM Radeon R9 285X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
ATI Radeon HD 2600 XT Mac Edition 's Advantages
Lower TDP (45W vs 200W)
AMD Radeon R9 285X 's Advantages
More VRAM (3GB vs 256GB)
Larger VRAM bandwidth (264.0GB/s vs 25.60GB/s)
1928 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 2600 XT Mac Edition
0.168 TFLOPS
Radeon R9 285X
+2342%
4.104 TFLOPS
Graphics Card
Feb 2008
Release Date
Unknown
Radeon R600
Generation
Volcanic Islands
Desktop
Type
Desktop
PCIe 1.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
-
-
-
-
-
800 MHz
Memory Clock
1375 MHz
Memory
256MB
Memory Size
3GB
GDDR3
Memory Type
GDDR5
128bit
Memory Bus
384bit
25.60GB/s
Bandwidth
264.0GB/s
Render Config
3
Compute Units
32
-
-
-
120
Shading Units
2048
8
TMUs
128
4
ROPs
32
-
-
-
-
-
-
-
L1 Cache
16 KB (per CU)
64 KB
L2 Cache
768 KB
-
-
-
Theoretical Performance
2.800 GPixel/s
Pixel Rate
32.06 GPixel/s
5.600 GTexel/s
Texture Rate
128.3 GTexel/s
-
-
-
168.0 GFLOPS
FP32 (float)
4.104 TFLOPS
-
-
-
Board Design
45W
TDP
200W
200 W
Suggested PSU
550 W
2x DVI
Outputs
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
None
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Processor
RV630
GPU Name
Tonga
-
GPU Variant
Tonga XT
(215-0851313)
TeraScale
Architecture
GCN 3.0
TSMC
Foundry
TSMC
65 nm
Process Size
28 nm
0.39 billion
Transistors
5 billion
153 mm²
Die Size
366 mm²
Graphics Features
10.0 (10_0)
DirectX
12 (12_0)
3.3
OpenGL
4.6
N/A
OpenCL
2.0
N/A
Vulkan
1.2
-
-
-
4.0
Shader Model
6.3
