NVIDIA GeForce GTX 680 Mac Edition vs AMD Radeon R7 265
We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 680 Mac Edition and 2GB VRAM Radeon R7 265 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTX 680 Mac Edition 's Advantages
Boost Clock has increased by 14% (1058MHz vs 925MHz)
Larger VRAM bandwidth (192.3GB/s vs 179.2GB/s)
512 additional rendering cores
AMD Radeon R7 265 's Advantages
Released 10 months late
Lower TDP (150W vs 195W)
Score
Benchmark
FP32 (float)
GeForce GTX 680 Mac Edition
+71%
3.25 TFLOPS
Radeon R7 265
1.894 TFLOPS
Graphics Card
Apr 2013
Release Date
Feb 2014
GeForce 600
Generation
Volcanic Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
1006 MHz
Base Clock
900 MHz
1058 MHz
Boost Clock
925 MHz
1502 MHz
Memory Clock
1400 MHz
Memory
2GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
256bit
192.3GB/s
Bandwidth
179.2GB/s
Render Config
-
Compute Units
16
-
-
-
1536
Shading Units
1024
128
TMUs
64
32
ROPs
32
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
512 KB
-
-
-
Theoretical Performance
33.86 GPixel/s
Pixel Rate
29.60 GPixel/s
135.4 GTexel/s
Texture Rate
59.20 GTexel/s
-
-
-
3.250 TFLOPS
FP32 (float)
1.894 TFLOPS
135.4 GFLOPS
FP64 (double)
118.4 GFLOPS
Board Design
195W
TDP
150W
450 W
Suggested PSU
450 W
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
Outputs
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
2x 6-pin
Power Connectors
1x 6-pin
Graphics Processor
GK104
GPU Name
Pitcairn
GK104-400-A2
GPU Variant
Pitcairn PRO
(215-0828062)
Kepler
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
3.54 billion
Transistors
2.8 billion
294 mm²
Die Size
212 mm²
Graphics Features
12 (11_0)
DirectX
12 (11_1)
4.6
OpenGL
4.6
3.0
OpenCL
1.2
1.1
Vulkan
1.2
3.0
CUDA
-
5.1
Shader Model
5.1
