AMD Radeon HD 8970M vs NVIDIA GRID K340

Edit	AMD Radeon HD 8970M Check Price	NVIDIA GRID K340 Check Price

Table of Contents

Graphics Processor
Mobile graphics
Clocks
Memory Configuration
Render Configuration
Performance
Dimensions & Outputs
API Support & Features
Other Features
Graphics Card

Graphics Processor

GPU model	Neptune	GK107
GPU variant	Neptune XT (216-0847000)	—
Architecture	GCN 1.0	Kepler
Foundry	TSMC	TSMC
Manufacturing process	28 nm	28 nm
Number of transistors	2,800 million	1,270 million
Die size	212 mm²	118 mm²

Mobile graphics

Release date	May 14th, 2013	—
Generation	Solar System (HD 8900M)	—
Production	End-of-life	—
Interface	PCIe 3.0 x16	—
Predecessor	London	—
Successor	Crystal System	—

Clocks

Base clock	850 MHz	—
Boost clock	900 MHz	—
Memory clock	1200 MHz 4.8 Gbps effective	1250 MHz 5 Gbps effective
GPU clock	—	954 MHz

Memory Configuration

Memory size	4 GB	1024 MB
Memory type	GDDR5	GDDR5
Memory bus width	256 bit	128 bit
Bandwidth	153.6 GB/s	80.00 GB/s

Render Configuration

Shading units	1280	384
TMUs	80	32
ROPs	32	16
Compute units	20	—
Cache L1	16 KB (per CU)	16 KB (per SMX)
Cache L2	512 KB	128 KB
SMX count	—	2

Performance

Pixel rate	28.80 GPixel/s	7.632 GPixel/s
Texture rate	72.00 GTexel/s	30.53 GTexel/s
FP32 (float) performance	2.304 TFLOPS	732.7 GFLOPS
FP64 (double) performance	144.0 GFLOPS (1:16)	30.53 GFLOPS (1:24)

Dimensions & Outputs

Slot width	MXM Module	Dual-slot
TDP	100 W	225 W
Outputs	No outputs	No outputs
Length	—	267 mm 10.5 inches
Suggested PSU	—	550 W
Power connectors	—	1x 8-pin

API Support & Features

DirectX	12 (11_1)	12 (11_0)
OpenGL	4.6	4.6
OpenCL	1.2	3.0
Vulkan	1.2	1.1
Shader model	5.1	5.1
CUDA	—	3.0

Other Features

Graphics Card

Release date	—	Jul 23rd, 2013
Generation	—	GRID
Production	—	End-of-life
Launch price	—	3,299 USD
Interface	—	PCIe 3.0 x16

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