AMD Radeon R9 280X vs AMD Radeon R7 240
We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 280X and 2GB VRAM Radeon R7 240 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R9 280X 's Advantages
Boost Clock has increased by 28% (1000MHz vs 780MHz)
More VRAM (3GB vs 2GB)
Larger VRAM bandwidth (288.0GB/s vs 28.80GB/s)
1728 additional rendering cores
AMD Radeon R7 240 's Advantages
Lower TDP (30W vs 250W)
Score
Benchmark
FP32 (float)
Radeon R9 280X
+720%
4.096 TFLOPS
Radeon R7 240
0.499 TFLOPS
Graphics Card
Oct 2013
Release Date
Oct 2013
Volcanic Islands
Generation
Volcanic Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x8
Clock Speeds
850 MHz
Base Clock
730 MHz
1000 MHz
Boost Clock
780 MHz
1500 MHz
Memory Clock
900 MHz
Memory
3GB
Memory Size
2GB
GDDR5
Memory Type
DDR3
384bit
Memory Bus
128bit
288.0GB/s
Bandwidth
28.80GB/s
Render Config
32
Compute Units
5
-
-
-
2048
Shading Units
320
128
TMUs
20
32
ROPs
8
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
768 KB
L2 Cache
256 KB
-
-
-
Theoretical Performance
32.00 GPixel/s
Pixel Rate
6.240 GPixel/s
128.0 GTexel/s
Texture Rate
15.60 GTexel/s
-
-
-
4.096 TFLOPS
FP32 (float)
499.2 GFLOPS
1024 GFLOPS
FP64 (double)
-
Board Design
250W
TDP
30W
600 W
Suggested PSU
200 W
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
Outputs
1x DVI
1x HDMI 1.4a
1x VGA
1x 6-pin + 1x 8-pin
Power Connectors
None
Graphics Processor
Tahiti
GPU Name
Oland
Tahiti XTL
(215-0821065)
GPU Variant
Oland PRO
(215-0837015)
GCN 1.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
4.313 billion
Transistors
0.95 billion
352 mm²
Die Size
77 mm²
Graphics Features
12 (11_1)
DirectX
12 (11_1)
4.6
OpenGL
4.6
1.2
OpenCL
1.2
1.2
Vulkan
1.2
-
-
-
5.1
Shader Model
5.1
