ATI Radeon HD 2600 XT vs AMD Radeon HD 7870 XT
We compared two Desktop platform GPUs: 256MB VRAM ATI Radeon HD 2600 XT and 2GB VRAM Radeon HD 7870 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
ATI Radeon HD 2600 XT 's Advantages
Lower TDP (45W vs 185W)
AMD Radeon HD 7870 XT 's Advantages
Released 5 years and 5 months late
Boost Clock975MHz
More VRAM (2GB vs 256GB)
Larger VRAM bandwidth (192.0GB/s vs 22.40GB/s)
1416 additional rendering cores
Score
Benchmark
FP32 (float)
ATI Radeon HD 2600 XT
0.192 TFLOPS
Radeon HD 7870 XT
+1459%
2.995 TFLOPS
Graphics Card
Jun 2007
Release Date
Nov 2012
Radeon R600
Generation
Southern Islands
Desktop
Type
Desktop
PCIe 1.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
925 MHz
-
Boost Clock
975 MHz
700 MHz
Memory Clock
1500 MHz
Memory
256MB
Memory Size
2GB
GDDR3
Memory Type
GDDR5
128bit
Memory Bus
256bit
22.40GB/s
Bandwidth
192.0GB/s
Render Config
3
Compute Units
24
-
-
-
120
Shading Units
1536
8
TMUs
96
4
ROPs
32
-
-
-
-
-
-
-
L1 Cache
16 KB (per CU)
64 KB
L2 Cache
512 KB
-
-
-
Theoretical Performance
3.200 GPixel/s
Pixel Rate
31.20 GPixel/s
6.400 GTexel/s
Texture Rate
93.60 GTexel/s
-
-
-
192.0 GFLOPS
FP32 (float)
2.995 TFLOPS
-
FP64 (double)
748.8 GFLOPS
Board Design
45W
TDP
185W
200 W
Suggested PSU
450 W
2x DVI
1x S-Video
Outputs
1x DVI
1x HDMI 1.4a
2x mini-DisplayPort 1.2
None
Power Connectors
2x 6-pin
Graphics Processor
RV630
GPU Name
Tahiti
-
GPU Variant
Tahiti LE
(215-0821122)
TeraScale
Architecture
GCN 1.0
TSMC
Foundry
TSMC
65 nm
Process Size
28 nm
0.39 billion
Transistors
4.313 billion
153 mm²
Die Size
352 mm²
Graphics Features
10.0 (10_0)
DirectX
12 (11_1)
3.3
OpenGL
4.6
N/A
OpenCL
1.2
N/A
Vulkan
1.2
-
-
-
4.0
Shader Model
5.1
