NVIDIA GeForce GTX 770 vs AMD Radeon HD 7870 XT
We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 770 and 2GB VRAM Radeon HD 7870 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTX 770 's Advantages
Released 6 months late
Boost Clock has increased by 11% (1085MHz vs 975MHz)
Larger VRAM bandwidth (224.4GB/s vs 192.0GB/s)
AMD Radeon HD 7870 XT 's Advantages
Lower TDP (185W vs 230W)
Score
Benchmark
FP32 (float)
GeForce GTX 770
+11%
3.333 TFLOPS
Radeon HD 7870 XT
2.995 TFLOPS
3DMark Time Spy
GeForce GTX 770
+21%
2153
Radeon HD 7870 XT
1773
Graphics Card
May 2013
Release Date
Nov 2012
GeForce 700
Generation
Southern Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
1046 MHz
Base Clock
925 MHz
1085 MHz
Boost Clock
975 MHz
1753 MHz
Memory Clock
1500 MHz
Memory
2GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
256bit
224.4GB/s
Bandwidth
192.0GB/s
Render Config
-
Compute Units
24
-
-
-
1536
Shading Units
1536
128
TMUs
96
32
ROPs
32
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
512 KB
-
-
-
Theoretical Performance
34.72 GPixel/s
Pixel Rate
31.20 GPixel/s
138.9 GTexel/s
Texture Rate
93.60 GTexel/s
-
-
-
3.333 TFLOPS
FP32 (float)
2.995 TFLOPS
138.9 GFLOPS
FP64 (double)
748.8 GFLOPS
Board Design
230W
TDP
185W
550 W
Suggested PSU
450 W
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
Outputs
1x DVI
1x HDMI 1.4a
2x mini-DisplayPort 1.2
1x 6-pin + 1x 8-pin
Power Connectors
2x 6-pin
Graphics Processor
GK104
GPU Name
Tahiti
GK104-425-A2
GPU Variant
Tahiti LE
(215-0821122)
Kepler
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
3.54 billion
Transistors
4.313 billion
294 mm²
Die Size
352 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
